Template:Periodic table (18 columns, detailed cells)
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Group → | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Alkali metal | Alkaline earth metal | Boron group | Carbon group | Pnictogen | Chalcogen | Halogen | Noble gas | ||||||||||||
CAS: | IA | IIA | IIIB | IVB | VB | VIB | VIIB | VIIIB | IB | IIB | IIIA | IVA | VA | VIA | VIIA | VIIIA | |||
old IUPAC: | IA | IIA | IIIA | IVA | VA | VIA | VIIA | VIII | IB | IIB | IIIB | IVB | VB | VIB | VIIB | 0 | |||
Period ↓ | Hydrogen
|
→element name atomic number chemical symbol |
Helium
| ||||||||||||||||
2 | Lithium
|
Beryllium
|
Boron
|
Carbon
|
Nitrogen
|
Oxygen
|
Fluorine
|
Neon
| |||||||||||
3 | Sodium
|
Magnesium
|
Aluminium
|
Silicon
|
Phosphorus
|
Sulfur
|
Chlorine
|
Argon
| |||||||||||
4 | Potassium
|
Calcium
|
Scandium
|
Titanium
|
Vanadium
|
Chromium
|
Manganese
|
Iron
|
Cobalt
|
Nickel
|
Copper
|
Zinc
|
Gallium
|
Germanium
|
Arsenic
|
Selenium
|
Bromine
|
Krypton
| |
5 | Rubidium
|
Strontium
|
Yttrium
|
Zirconium
|
Niobium
|
Molybdenum
|
Technetium [97]
|
Ruthenium
|
Rhodium
|
Palladium
|
Silver
|
Cadmium
|
Indium
|
Tin
|
Antimony
|
Tellurium
|
Iodine
|
Xenon
| |
6 | Caesium
|
Barium
|
57–70 ![]() |
Lutetium
|
Hafnium
|
Tantalum
|
Tungsten
|
Rhenium
|
Osmium
|
Iridium
|
Platinum
|
Gold
|
Mercury
|
Thallium
|
Lead
|
Bismuth
|
Polonium [209]
|
Astatine [210]
|
Radon [222]
|
7 | Francium [223]
|
Radium [226]
|
89–102 ![]() |
Lawrencium [266]
|
Rutherfordium [267]
|
Dubnium [268]
|
Seaborgium [269]
|
Bohrium [270]
|
Hassium [269]
|
Meitnerium [278]
|
Darmstadtium [281]
|
Roentgenium [282]
|
Copernicium [285]
|
Nihonium [286]
|
Flerovium [289]
|
Moscovium [290]
|
Livermorium [293]
|
Tennessine [294]
|
Oganesson [294]
|
![]() |
Lanthanum
|
Cerium
|
Praseodymium
|
Neodymium
|
Promethium [145]
|
Samarium
|
Europium
|
Gadolinium
|
Terbium
|
Dysprosium
|
Holmium
|
Erbium
|
Thulium
|
Ytterbium
|
|||||
![]() |
Actinium [227]
|
Thorium
|
Protactinium
|
Uranium
|
Neptunium [237]
|
Plutonium [244]
|
Americium [243]
|
Curium [247]
|
Berkelium [247]
|
Californium [251]
|
Einsteinium [252]
|
Fermium [257]
|
Mendelevium [258]
|
Nobelium [259]
|
Standard atomic weight Ar, std(E)[1]
- F: 18.998403162±0.000000005 — Standard atomic weight
- C: [12.0096, 12.0116] — Standard atomic weight is an interval
- F: 18.998, C: 12.011 — Abridged value[2]
- Po: [209] — mass number of the most stable isotope
- ^ Meija, Juris; et al. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry. 88 (3): 265–91. doi:10.1515/pac-2015-0305.
- ^ Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; Böhlke, John K.; Chesson, Lesley A.; Coplen, Tyler B.; Ding, Tiping; Dunn, Philip J. H.; Gröning, Manfred; Holden, Norman E.; Meijer, Harro A. J. (2022-05-04). "Standard atomic weights of the elements 2021 (IUPAC Technical Report)". Pure and Applied Chemistry. doi:10.1515/pac-2019-0603. ISSN 1365-3075.