Template:Periodic table
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| Group | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hydrogen & alkali metals |
Alkaline earth metals | Triels | Tetrels | Pnictogens | Chalcogens | Halogens | Noble gases | ||||||||||||
| Period |
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| 2 | |||||||||||||||||||
| 3 | |||||||||||||||||||
| 4 | |||||||||||||||||||
| 5 | |||||||||||||||||||
| 6 | |||||||||||||||||||
| 7 | |||||||||||||||||||
Primordial From decay Synthetic Border shows natural occurrence of the element
Standard atomic weight Ar, std(E)[1]
- Ca: 40.078 — Abridged value (uncertainty omitted here)[2]
- Po: [209] — mass number of the most stable isotope
File:Test Template Info-Icon - Version (2).svg Template documentation[view] [edit] [history] [purge]
This periodic table is the prime form presented at this English wikipedia. See Periodic table#Overview.
Usage
- Periodic table
- Template:Periodic table legend(edit talk links history)
- Template:Element cell-named(edit talk links history)