| Sort By: | Atomic Number | Symbol | Name |
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| Filter Sort By Atomic Number: | Solids | Gases | Liquids | Radioactive | Man-made | All |
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| Groups (sorted by Atomic Number): | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | *Lathanides | *Actinides | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| Period (sorted by Atomic Number): | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period 1 | Period 2 | Period 3 | Period 4 | Period 5 | Period 6 | Period 7 | |||||||||||||
| Atomic Number | Symbol | Name | Atomic Weight | State @ STP | Electron Config | Web Info | Basic Data |
|---|---|---|---|---|---|---|---|
| 4 | Be | Beryllium | 9.012 | solid | 1s2 2s2 | Beryllium | Beryllium |
| 12 | Mg | Magnesium | 24.305 | solid | [Ne] 3s2 | Magnesium | Magnesium |
| 20 | Ca | Calcium | 40.078 | solid | [Ar] 4s2 | Calcium | Calcium |
| 38 | Sr | Strontium | 87.620 | solid | [Kr] 5s2 | Strontium | Strontium |
| 56 | Ba | Barium | 137.330 | solid | [Xe] 6s2 | Barium | Barium |
| 88 | Ra | Radium | 226.025 | solid | [Rn] 7s2 | Radium | Radium |
All element info links are created programmatically, and all point to Wikipedia; some may fail.