An interactive periodic table of the 118 elements. Click any element for an embedded article, or open its own dedicated, fully indexable page with structured data, electron configuration, discovery, and uses.https://smolkin.org/https://smolkin.org/element/hydrogen/https://smolkin.org/element/hydrogen/Hydrogen (symbol H, atomic number 1) is the lightest and most abundant element in the universe, the fuel of stars and the basis of water. It is classified as a reactive nonmetal and sits in group 1, period 1 of the periodic table.https://smolkin.org/element/helium/https://smolkin.org/element/helium/Helium (symbol He, atomic number 2) is an inert noble gas used to cool superconducting magnets and to lift balloons. It is classified as a noble gas and sits in group 18, period 1 of the periodic table.https://smolkin.org/element/lithium/https://smolkin.org/element/lithium/Lithium (symbol Li, atomic number 3) is a soft alkali metal at the heart of rechargeable lithium-ion batteries and mood-stabilising medicine. It is classified as a alkali metal and sits in group 1, period 2 of the periodic table.https://smolkin.org/element/beryllium/https://smolkin.org/element/beryllium/Beryllium (symbol Be, atomic number 4) is a light, stiff metal prized for X-ray windows and aerospace alloys, but highly toxic. It is classified as a alkaline earth metal and sits in group 2, period 2 of the periodic table.https://smolkin.org/element/boron/https://smolkin.org/element/boron/Boron (symbol B, atomic number 5) is a metalloid essential to borosilicate glass, detergents, and neutron-absorbing control rods. It is classified as a metalloid and sits in group 13, period 2 of the periodic table.https://smolkin.org/element/carbon/https://smolkin.org/element/carbon/Carbon (symbol C, atomic number 6) is the backbone of all known life, appearing as graphite, diamond, and graphene. It is classified as a reactive nonmetal and sits in group 14, period 2 of the periodic table.https://smolkin.org/element/nitrogen/https://smolkin.org/element/nitrogen/Nitrogen (symbol N, atomic number 7) is the gas that makes up 78% of Earth's atmosphere and a key building block of proteins and fertiliser. It is classified as a reactive nonmetal and sits in group 15, period 2 of the periodic table.https://smolkin.org/element/oxygen/https://smolkin.org/element/oxygen/Oxygen (symbol O, atomic number 8) is the reactive gas animals breathe and the most abundant element in the Earth's crust. It is classified as a reactive nonmetal and sits in group 16, period 2 of the periodic table.https://smolkin.org/element/fluorine/https://smolkin.org/element/fluorine/Fluorine (symbol F, atomic number 9) is the most reactive and electronegative of all elements, used in toothpaste and Teflon. It is classified as a halogen and sits in group 17, period 2 of the periodic table.https://smolkin.org/element/neon/https://smolkin.org/element/neon/Neon (symbol Ne, atomic number 10) is a noble gas famous for the orange-red glow of advertising signs. It is classified as a noble gas and sits in group 18, period 2 of the periodic table.https://smolkin.org/element/sodium/https://smolkin.org/element/sodium/Sodium (symbol Na, atomic number 11) is a soft, highly reactive metal whose ion is half of common table salt. It is classified as a alkali metal and sits in group 1, period 3 of the periodic table.https://smolkin.org/element/magnesium/https://smolkin.org/element/magnesium/Magnesium (symbol Mg, atomic number 12) is a light structural metal and the central atom of chlorophyll. It is classified as a alkaline earth metal and sits in group 2, period 3 of the periodic table.https://smolkin.org/element/aluminium/https://smolkin.org/element/aluminium/Aluminium (symbol Al, atomic number 13) is the most abundant metal in the crust, lightweight and endlessly recyclable. It is classified as a post-transition metal and sits in group 13, period 3 of the periodic table.https://smolkin.org/element/silicon/https://smolkin.org/element/silicon/Silicon (symbol Si, atomic number 14) is the metalloid that underpins the entire semiconductor industry and most of the sand on Earth. It is classified as a metalloid and sits in group 14, period 3 of the periodic table.https://smolkin.org/element/phosphorus/https://smolkin.org/element/phosphorus/Phosphorus (symbol P, atomic number 15) is a reactive nonmetal vital to DNA, ATP, and bone, and a key fertiliser nutrient. It is classified as a reactive nonmetal and sits in group 15, period 3 of the periodic table.https://smolkin.org/element/sulfur/https://smolkin.org/element/sulfur/Sulfur (symbol S, atomic number 16) is a yellow nonmetal used to make sulfuric acid, the most-produced industrial chemical. It is classified as a reactive nonmetal and sits in group 16, period 3 of the periodic table.https://smolkin.org/element/chlorine/https://smolkin.org/element/chlorine/Chlorine (symbol Cl, atomic number 17) is a greenish toxic gas used to disinfect water and the other half of table salt. It is classified as a halogen and sits in group 17, period 3 of the periodic table.https://smolkin.org/element/argon/https://smolkin.org/element/argon/Argon (symbol Ar, atomic number 18) is the most common noble gas on Earth, used as an inert shielding atmosphere in welding. It is classified as a noble gas and sits in group 18, period 3 of the periodic table.https://smolkin.org/element/potassium/https://smolkin.org/element/potassium/Potassium (symbol K, atomic number 19) is a reactive alkali metal essential to nerve function and a major fertiliser nutrient. It is classified as a alkali metal and sits in group 1, period 4 of the periodic table.https://smolkin.org/element/calcium/https://smolkin.org/element/calcium/Calcium (symbol Ca, atomic number 20) is the metal whose compounds build bones, teeth, shells, and limestone. It is classified as a alkaline earth metal and sits in group 2, period 4 of the periodic table.https://smolkin.org/element/scandium/https://smolkin.org/element/scandium/Scandium (symbol Sc, atomic number 21) is a light transition metal used in high-performance aluminium-scandium alloys. It is classified as a transition metal and sits in group 3, period 4 of the periodic table.https://smolkin.org/element/titanium/https://smolkin.org/element/titanium/Titanium (symbol Ti, atomic number 22) is a strong, corrosion-resistant metal used in jet engines, implants, and white pigment. It is classified as a transition metal and sits in group 4, period 4 of the periodic table.https://smolkin.org/element/vanadium/https://smolkin.org/element/vanadium/Vanadium (symbol V, atomic number 23) is a transition metal that hardens steel and powers grid-scale flow batteries. It is classified as a transition metal and sits in group 5, period 4 of the periodic table.https://smolkin.org/element/chromium/https://smolkin.org/element/chromium/Chromium (symbol Cr, atomic number 24) is the metal that gives stainless steel its shine and corrosion resistance. It is classified as a transition metal and sits in group 6, period 4 of the periodic table.https://smolkin.org/element/manganese/https://smolkin.org/element/manganese/Manganese (symbol Mn, atomic number 25) is an essential steel-making additive and a component of dry-cell batteries. It is classified as a transition metal and sits in group 7, period 4 of the periodic table.https://smolkin.org/element/iron/https://smolkin.org/element/iron/Iron (symbol Fe, atomic number 26) is the most-used metal on Earth, the core of steel and of our own blood. It is classified as a transition metal and sits in group 8, period 4 of the periodic table.https://smolkin.org/element/cobalt/https://smolkin.org/element/cobalt/Cobalt (symbol Co, atomic number 27) is a magnetic metal used in jet-engine superalloys and lithium-ion battery cathodes. It is classified as a transition metal and sits in group 9, period 4 of the periodic table.https://smolkin.org/element/nickel/https://smolkin.org/element/nickel/Nickel (symbol Ni, atomic number 28) is a corrosion-resistant metal used in stainless steel, coins, and rechargeable batteries. It is classified as a transition metal and sits in group 10, period 4 of the periodic table.https://smolkin.org/element/copper/https://smolkin.org/element/copper/Copper (symbol Cu, atomic number 29) is an excellent conductor used in wiring, plumbing, and bronze since antiquity. It is classified as a transition metal and sits in group 11, period 4 of the periodic table.https://smolkin.org/element/zinc/https://smolkin.org/element/zinc/Zinc (symbol Zn, atomic number 30) is the metal used to galvanise steel against rust and an essential dietary mineral. It is classified as a transition metal and sits in group 12, period 4 of the periodic table.https://smolkin.org/element/gallium/https://smolkin.org/element/gallium/Gallium (symbol Ga, atomic number 31) is a metal that melts in your hand, used in LEDs and high-speed electronics. It is classified as a post-transition metal and sits in group 13, period 4 of the periodic table.https://smolkin.org/element/germanium/https://smolkin.org/element/germanium/Germanium (symbol Ge, atomic number 32) is a metalloid central to early transistors and modern fibre-optic and infrared optics. It is classified as a metalloid and sits in group 14, period 4 of the periodic table.https://smolkin.org/element/arsenic/https://smolkin.org/element/arsenic/Arsenic (symbol As, atomic number 33) is a notoriously toxic metalloid used in semiconductors and, historically, poisons. It is classified as a metalloid and sits in group 15, period 4 of the periodic table.https://smolkin.org/element/selenium/https://smolkin.org/element/selenium/Selenium (symbol Se, atomic number 34) is a nonmetal essential in trace amounts, used in photocells and glassmaking. It is classified as a reactive nonmetal and sits in group 16, period 4 of the periodic table.https://smolkin.org/element/bromine/https://smolkin.org/element/bromine/Bromine (symbol Br, atomic number 35) is one of only two elements liquid at room temperature, used in flame retardants. It is classified as a halogen and sits in group 17, period 4 of the periodic table.https://smolkin.org/element/krypton/https://smolkin.org/element/krypton/Krypton (symbol Kr, atomic number 36) is a noble gas used in high-performance lighting and once to define the metre. It is classified as a noble gas and sits in group 18, period 4 of the periodic table.https://smolkin.org/element/rubidium/https://smolkin.org/element/rubidium/Rubidium (symbol Rb, atomic number 37) is a soft alkali metal used in atomic clocks and specialty glass. It is classified as a alkali metal and sits in group 1, period 5 of the periodic table.https://smolkin.org/element/strontium/https://smolkin.org/element/strontium/Strontium (symbol Sr, atomic number 38) is an alkaline earth metal that gives fireworks their brilliant red colour. It is classified as a alkaline earth metal and sits in group 2, period 5 of the periodic table.https://smolkin.org/element/yttrium/https://smolkin.org/element/yttrium/Yttrium (symbol Y, atomic number 39) is a transition metal used in LED phosphors, lasers, and superconductors. It is classified as a transition metal and sits in group 3, period 5 of the periodic table.https://smolkin.org/element/zirconium/https://smolkin.org/element/zirconium/Zirconium (symbol Zr, atomic number 40) is a corrosion-resistant metal used to clad nuclear fuel rods. It is classified as a transition metal and sits in group 4, period 5 of the periodic table.https://smolkin.org/element/niobium/https://smolkin.org/element/niobium/Niobium (symbol Nb, atomic number 41) is a metal that forms powerful superconducting magnets for MRI machines. It is classified as a transition metal and sits in group 5, period 5 of the periodic table.https://smolkin.org/element/molybdenum/https://smolkin.org/element/molybdenum/Molybdenum (symbol Mo, atomic number 42) is a refractory metal that strengthens steel and catalyses petroleum refining. It is classified as a transition metal and sits in group 6, period 5 of the periodic table.https://smolkin.org/element/technetium/https://smolkin.org/element/technetium/Technetium (symbol Tc, atomic number 43) is the lightest element with no stable isotope, vital to medical imaging. It is classified as a transition metal and sits in group 7, period 5 of the periodic table.https://smolkin.org/element/ruthenium/https://smolkin.org/element/ruthenium/Ruthenium (symbol Ru, atomic number 44) is a hard platinum-group metal used in electronics and catalysis. It is classified as a transition metal and sits in group 8, period 5 of the periodic table.https://smolkin.org/element/rhodium/https://smolkin.org/element/rhodium/Rhodium (symbol Rh, atomic number 45) is a rare, reflective metal central to catalytic converters. It is classified as a transition metal and sits in group 9, period 5 of the periodic table.https://smolkin.org/element/palladium/https://smolkin.org/element/palladium/Palladium (symbol Pd, atomic number 46) is a platinum-group metal used in catalytic converters and hydrogen purification. It is classified as a transition metal and sits in group 10, period 5 of the periodic table.https://smolkin.org/element/silver/https://smolkin.org/element/silver/Silver (symbol Ag, atomic number 47) is the best electrical conductor of all metals, long used in coinage and photography. It is classified as a transition metal and sits in group 11, period 5 of the periodic table.https://smolkin.org/element/cadmium/https://smolkin.org/element/cadmium/Cadmium (symbol Cd, atomic number 48) is a toxic metal used in pigments and rechargeable NiCd batteries. It is classified as a transition metal and sits in group 12, period 5 of the periodic table.https://smolkin.org/element/indium/https://smolkin.org/element/indium/Indium (symbol In, atomic number 49) is a soft metal used in the transparent conductor of touchscreens and solar cells. It is classified as a post-transition metal and sits in group 13, period 5 of the periodic table.https://smolkin.org/element/tin/https://smolkin.org/element/tin/Tin (symbol Sn, atomic number 50) is a soft metal used in solder, tin cans, and bronze. It is classified as a post-transition metal and sits in group 14, period 5 of the periodic table.https://smolkin.org/element/antimony/https://smolkin.org/element/antimony/Antimony (symbol Sb, atomic number 51) is a metalloid used in flame retardants and lead-acid battery alloys. It is classified as a metalloid and sits in group 15, period 5 of the periodic table.https://smolkin.org/element/tellurium/https://smolkin.org/element/tellurium/Tellurium (symbol Te, atomic number 52) is a brittle metalloid used in thin-film solar panels and alloys. It is classified as a metalloid and sits in group 16, period 5 of the periodic table.https://smolkin.org/element/iodine/https://smolkin.org/element/iodine/Iodine (symbol I, atomic number 53) is a halogen essential to the thyroid gland and used as an antiseptic. It is classified as a halogen and sits in group 17, period 5 of the periodic table.https://smolkin.org/element/xenon/https://smolkin.org/element/xenon/Xenon (symbol Xe, atomic number 54) is a heavy noble gas used in high-intensity lamps and ion thrusters. It is classified as a noble gas and sits in group 18, period 5 of the periodic table.https://smolkin.org/element/caesium/https://smolkin.org/element/caesium/Caesium (symbol Cs, atomic number 55) is the most reactive metal and the basis of the atomic-clock definition of the second. It is classified as a alkali metal and sits in group 1, period 6 of the periodic table.https://smolkin.org/element/barium/https://smolkin.org/element/barium/Barium (symbol Ba, atomic number 56) is an alkaline earth metal whose sulfate is swallowed for X-ray contrast imaging. It is classified as a alkaline earth metal and sits in group 2, period 6 of the periodic table.https://smolkin.org/element/lanthanum/https://smolkin.org/element/lanthanum/Lanthanum (symbol La, atomic number 57) is the first lanthanide, used in camera lenses and hybrid-car batteries. It is classified as a lanthanide and sits in the lanthanide series (f-block), period 6 of the periodic table.https://smolkin.org/element/cerium/https://smolkin.org/element/cerium/Cerium (symbol Ce, atomic number 58) is the most abundant rare-earth metal, used in catalytic converters and polishing powders. It is classified as a lanthanide and sits in the lanthanide series (f-block), period 6 of the periodic table.https://smolkin.org/element/praseodymium/https://smolkin.org/element/praseodymium/Praseodymium (symbol Pr, atomic number 59) is a rare-earth metal used in powerful magnets and to colour glass yellow-green. It is classified as a lanthanide and sits in the lanthanide series (f-block), period 6 of the periodic table.https://smolkin.org/element/neodymium/https://smolkin.org/element/neodymium/Neodymium (symbol Nd, atomic number 60) is the metal behind the strongest permanent magnets, in motors and headphones. It is classified as a lanthanide and sits in the lanthanide series (f-block), period 6 of the periodic table.https://smolkin.org/element/promethium/https://smolkin.org/element/promethium/Promethium (symbol Pm, atomic number 61) is the only radioactive lanthanide, once used in luminous paint. It is classified as a lanthanide and sits in the lanthanide series (f-block), period 6 of the periodic table.https://smolkin.org/element/samarium/https://smolkin.org/element/samarium/Samarium (symbol Sm, atomic number 62) is a rare-earth metal used in high-temperature permanent magnets. It is classified as a lanthanide and sits in the lanthanide series (f-block), period 6 of the periodic table.https://smolkin.org/element/europium/https://smolkin.org/element/europium/Europium (symbol Eu, atomic number 63) is a rare-earth metal that provides the red and blue phosphors in displays. It is classified as a lanthanide and sits in the lanthanide series (f-block), period 6 of the periodic table.https://smolkin.org/element/gadolinium/https://smolkin.org/element/gadolinium/Gadolinium (symbol Gd, atomic number 64) is a rare-earth metal used as an MRI contrast agent and in neutron shielding. It is classified as a lanthanide and sits in the lanthanide series (f-block), period 6 of the periodic table.https://smolkin.org/element/terbium/https://smolkin.org/element/terbium/Terbium (symbol Tb, atomic number 65) is a rare-earth metal used in green phosphors and magnetostrictive alloys. It is classified as a lanthanide and sits in the lanthanide series (f-block), period 6 of the periodic table.https://smolkin.org/element/dysprosium/https://smolkin.org/element/dysprosium/Dysprosium (symbol Dy, atomic number 66) is a rare-earth metal added to magnets to keep them strong at high temperature. It is classified as a lanthanide and sits in the lanthanide series (f-block), period 6 of the periodic table.https://smolkin.org/element/holmium/https://smolkin.org/element/holmium/Holmium (symbol Ho, atomic number 67) is a rare-earth metal with the highest magnetic strength of any element. It is classified as a lanthanide and sits in the lanthanide series (f-block), period 6 of the periodic table.https://smolkin.org/element/erbium/https://smolkin.org/element/erbium/Erbium (symbol Er, atomic number 68) is a rare-earth metal used to amplify signals in fibre-optic cables. It is classified as a lanthanide and sits in the lanthanide series (f-block), period 6 of the periodic table.https://smolkin.org/element/thulium/https://smolkin.org/element/thulium/Thulium (symbol Tm, atomic number 69) is the rarest stable rare-earth metal, used in portable X-ray sources. It is classified as a lanthanide and sits in the lanthanide series (f-block), period 6 of the periodic table.https://smolkin.org/element/ytterbium/https://smolkin.org/element/ytterbium/Ytterbium (symbol Yb, atomic number 70) is a rare-earth metal used in atomic clocks and as a doping agent in lasers. It is classified as a lanthanide and sits in the lanthanide series (f-block), period 6 of the periodic table.https://smolkin.org/element/lutetium/https://smolkin.org/element/lutetium/Lutetium (symbol Lu, atomic number 71) is the heaviest and hardest rare-earth metal, used in PET-scan detectors. It is classified as a lanthanide and sits in the lanthanide series (f-block), period 6 of the periodic table.https://smolkin.org/element/hafnium/https://smolkin.org/element/hafnium/Hafnium (symbol Hf, atomic number 72) is a metal with an enormous neutron-capture cross-section, used in reactor control rods. It is classified as a transition metal and sits in group 4, period 6 of the periodic table.https://smolkin.org/element/tantalum/https://smolkin.org/element/tantalum/Tantalum (symbol Ta, atomic number 73) is a corrosion-proof metal used in compact capacitors and surgical implants. It is classified as a transition metal and sits in group 5, period 6 of the periodic table.https://smolkin.org/element/tungsten/https://smolkin.org/element/tungsten/Tungsten (symbol W, atomic number 74) is the metal with the highest melting point, used in light-bulb filaments and drill bits. It is classified as a transition metal and sits in group 6, period 6 of the periodic table.https://smolkin.org/element/rhenium/https://smolkin.org/element/rhenium/Rhenium (symbol Re, atomic number 75) is one of the rarest metals, used in jet-engine superalloys. It is classified as a transition metal and sits in group 7, period 6 of the periodic table.https://smolkin.org/element/osmium/https://smolkin.org/element/osmium/Osmium (symbol Os, atomic number 76) is the densest naturally occurring element, used in hard, wear-resistant tips. It is classified as a transition metal and sits in group 8, period 6 of the periodic table.https://smolkin.org/element/iridium/https://smolkin.org/element/iridium/Iridium (symbol Ir, atomic number 77) is the most corrosion-resistant metal and the marker of the dinosaur-killing asteroid. It is classified as a transition metal and sits in group 9, period 6 of the periodic table.https://smolkin.org/element/platinum/https://smolkin.org/element/platinum/Platinum (symbol Pt, atomic number 78) is a precious catalytic metal used in converters, jewellery, and cancer drugs. It is classified as a transition metal and sits in group 10, period 6 of the periodic table.https://smolkin.org/element/gold/https://smolkin.org/element/gold/Gold (symbol Au, atomic number 79) is the prototypical precious metal, unreactive, conductive, and endlessly malleable. It is classified as a transition metal and sits in group 11, period 6 of the periodic table.https://smolkin.org/element/mercury/https://smolkin.org/element/mercury/Mercury (symbol Hg, atomic number 80) is the only metal liquid at room temperature, long used in thermometers despite its toxicity. It is classified as a transition metal and sits in group 12, period 6 of the periodic table.https://smolkin.org/element/thallium/https://smolkin.org/element/thallium/Thallium (symbol Tl, atomic number 81) is a soft, highly toxic metal once used in rat poison and now in electronics. It is classified as a post-transition metal and sits in group 13, period 6 of the periodic table.https://smolkin.org/element/lead/https://smolkin.org/element/lead/Lead (symbol Pb, atomic number 82) is a dense, soft metal long used in pipes and paint before its toxicity was understood. It is classified as a post-transition metal and sits in group 14, period 6 of the periodic table.https://smolkin.org/element/bismuth/https://smolkin.org/element/bismuth/Bismuth (symbol Bi, atomic number 83) is a brittle metal used in stomach medicine and low-melting-point alloys. It is classified as a post-transition metal and sits in group 15, period 6 of the periodic table.https://smolkin.org/element/polonium/https://smolkin.org/element/polonium/Polonium (symbol Po, atomic number 84) is an intensely radioactive metalloid, infamous as a poison. It is classified as a post-transition metal and sits in group 16, period 6 of the periodic table.https://smolkin.org/element/astatine/https://smolkin.org/element/astatine/Astatine (symbol At, atomic number 85) is the rarest naturally occurring element on Earth, studied for cancer therapy. It is classified as a halogen and sits in group 17, period 6 of the periodic table.https://smolkin.org/element/radon/https://smolkin.org/element/radon/Radon (symbol Rn, atomic number 86) is a radioactive noble gas that seeps from rock and is a leading cause of lung cancer. It is classified as a noble gas and sits in group 18, period 6 of the periodic table.https://smolkin.org/element/francium/https://smolkin.org/element/francium/Francium (symbol Fr, atomic number 87) is the second-rarest naturally occurring element, intensely radioactive. It is classified as a alkali metal and sits in group 1, period 7 of the periodic table.https://smolkin.org/element/radium/https://smolkin.org/element/radium/Radium (symbol Ra, atomic number 88) is a luminous radioactive metal once used in glow-in-the-dark paint. It is classified as a alkaline earth metal and sits in group 2, period 7 of the periodic table.https://smolkin.org/element/actinium/https://smolkin.org/element/actinium/Actinium (symbol Ac, atomic number 89) is the radioactive element that gives the actinide series its name. It is classified as a actinide and sits in the actinide series (f-block), period 7 of the periodic table.https://smolkin.org/element/thorium/https://smolkin.org/element/thorium/Thorium (symbol Th, atomic number 90) is a weakly radioactive metal explored as a nuclear fuel. It is classified as a actinide and sits in the actinide series (f-block), period 7 of the periodic table.https://smolkin.org/element/protactinium/https://smolkin.org/element/protactinium/Protactinium (symbol Pa, atomic number 91) is a rare, dense radioactive actinide with few practical uses. It is classified as a actinide and sits in the actinide series (f-block), period 7 of the periodic table.https://smolkin.org/element/uranium/https://smolkin.org/element/uranium/Uranium (symbol U, atomic number 92) is the heaviest naturally abundant element, the primary fuel of nuclear reactors and weapons. It is classified as a actinide and sits in the actinide series (f-block), period 7 of the periodic table.https://smolkin.org/element/neptunium/https://smolkin.org/element/neptunium/Neptunium (symbol Np, atomic number 93) is the first transuranium element, a by-product of nuclear reactors. It is classified as a actinide and sits in the actinide series (f-block), period 7 of the periodic table.https://smolkin.org/element/plutonium/https://smolkin.org/element/plutonium/Plutonium (symbol Pu, atomic number 94) is a synthetic actinide central to nuclear weapons and spacecraft power sources. It is classified as a actinide and sits in the actinide series (f-block), period 7 of the periodic table.https://smolkin.org/element/americium/https://smolkin.org/element/americium/Americium (symbol Am, atomic number 95) is a synthetic actinide used in household smoke detectors. It is classified as a actinide and sits in the actinide series (f-block), period 7 of the periodic table.https://smolkin.org/element/curium/https://smolkin.org/element/curium/Curium (symbol Cm, atomic number 96) is a synthetic actinide used as a power source in space probes. It is classified as a actinide and sits in the actinide series (f-block), period 7 of the periodic table.https://smolkin.org/element/berkelium/https://smolkin.org/element/berkelium/Berkelium (symbol Bk, atomic number 97) is a synthetic actinide produced only in tiny amounts for research. It is classified as a actinide and sits in the actinide series (f-block), period 7 of the periodic table.https://smolkin.org/element/californium/https://smolkin.org/element/californium/Californium (symbol Cf, atomic number 98) is a synthetic actinide used as a portable neutron source. It is classified as a actinide and sits in the actinide series (f-block), period 7 of the periodic table.https://smolkin.org/element/einsteinium/https://smolkin.org/element/einsteinium/Einsteinium (symbol Es, atomic number 99) is a synthetic actinide first found in the debris of a hydrogen-bomb test. It is classified as a actinide and sits in the actinide series (f-block), period 7 of the periodic table.https://smolkin.org/element/fermium/https://smolkin.org/element/fermium/Fermium (symbol Fm, atomic number 100) is a synthetic actinide, the heaviest element that can be made by neutron bombardment. It is classified as a actinide and sits in the actinide series (f-block), period 7 of the periodic table.https://smolkin.org/element/mendelevium/https://smolkin.org/element/mendelevium/Mendelevium (symbol Md, atomic number 101) is a synthetic actinide named after Dmitri Mendeleev. It is classified as a actinide and sits in the actinide series (f-block), period 7 of the periodic table.https://smolkin.org/element/nobelium/https://smolkin.org/element/nobelium/Nobelium (symbol No, atomic number 102) is a synthetic actinide named after Alfred Nobel. It is classified as a actinide and sits in the actinide series (f-block), period 7 of the periodic table.https://smolkin.org/element/lawrencium/https://smolkin.org/element/lawrencium/Lawrencium (symbol Lr, atomic number 103) is the final actinide, a synthetic element produced atom by atom. It is classified as a actinide and sits in the actinide series (f-block), period 7 of the periodic table.https://smolkin.org/element/rutherfordium/https://smolkin.org/element/rutherfordium/Rutherfordium (symbol Rf, atomic number 104) is the first transactinide, a synthetic superheavy transition metal. It is classified as a transition metal and sits in group 4, period 7 of the periodic table.https://smolkin.org/element/dubnium/https://smolkin.org/element/dubnium/Dubnium (symbol Db, atomic number 105) is a synthetic superheavy element named after the Dubna research city. It is classified as a transition metal and sits in group 5, period 7 of the periodic table.https://smolkin.org/element/seaborgium/https://smolkin.org/element/seaborgium/Seaborgium (symbol Sg, atomic number 106) is a synthetic superheavy element named after Glenn Seaborg. It is classified as a transition metal and sits in group 6, period 7 of the periodic table.https://smolkin.org/element/bohrium/https://smolkin.org/element/bohrium/Bohrium (symbol Bh, atomic number 107) is a synthetic superheavy element named after Niels Bohr. It is classified as a transition metal and sits in group 7, period 7 of the periodic table.https://smolkin.org/element/hassium/https://smolkin.org/element/hassium/Hassium (symbol Hs, atomic number 108) is a synthetic superheavy element named after the German state of Hesse. It is classified as a transition metal and sits in group 8, period 7 of the periodic table.https://smolkin.org/element/meitnerium/https://smolkin.org/element/meitnerium/Meitnerium (symbol Mt, atomic number 109) is a synthetic superheavy element named after Lise Meitner. It is classified as a transition metal and sits in group 9, period 7 of the periodic table.https://smolkin.org/element/darmstadtium/https://smolkin.org/element/darmstadtium/Darmstadtium (symbol Ds, atomic number 110) is a synthetic superheavy element named after the city of Darmstadt. It is classified as a transition metal and sits in group 10, period 7 of the periodic table.https://smolkin.org/element/roentgenium/https://smolkin.org/element/roentgenium/Roentgenium (symbol Rg, atomic number 111) is a synthetic superheavy element named after Wilhelm Röntgen. It is classified as a transition metal and sits in group 11, period 7 of the periodic table.https://smolkin.org/element/copernicium/https://smolkin.org/element/copernicium/Copernicium (symbol Cn, atomic number 112) is a synthetic superheavy element named after Nicolaus Copernicus. It is classified as a transition metal and sits in group 12, period 7 of the periodic table.https://smolkin.org/element/nihonium/https://smolkin.org/element/nihonium/Nihonium (symbol Nh, atomic number 113) is the first element discovered in Asia, named after Japan. It is classified as a post-transition metal and sits in group 13, period 7 of the periodic table.https://smolkin.org/element/flerovium/https://smolkin.org/element/flerovium/Flerovium (symbol Fl, atomic number 114) is a synthetic superheavy element named after the Flerov Laboratory. It is classified as a post-transition metal and sits in group 14, period 7 of the periodic table.https://smolkin.org/element/moscovium/https://smolkin.org/element/moscovium/Moscovium (symbol Mc, atomic number 115) is a synthetic superheavy element named after the Moscow region. It is classified as a post-transition metal and sits in group 15, period 7 of the periodic table.https://smolkin.org/element/livermorium/https://smolkin.org/element/livermorium/Livermorium (symbol Lv, atomic number 116) is a synthetic superheavy element named after the Lawrence Livermore lab. It is classified as a post-transition metal and sits in group 16, period 7 of the periodic table.https://smolkin.org/element/tennessine/https://smolkin.org/element/tennessine/Tennessine (symbol Ts, atomic number 117) is the second-heaviest element, a synthetic halogen named after Tennessee. It is classified as a halogen and sits in group 17, period 7 of the periodic table.https://smolkin.org/element/oganesson/https://smolkin.org/element/oganesson/Oganesson (symbol Og, atomic number 118) is the heaviest known element, a synthetic noble gas named after Yuri Oganessian. It is classified as a noble gas and sits in group 18, period 7 of the periodic table.