| 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 |
|---|---|---|---|---|---|---|---|
| 1 | H | Hydrogen | 1.008 | gas | 1s1 | Hydrogen | Hydrogen |
| 3 | Li | Lithium | 6.941 | solid | 1s2 2s1 | Lithium | Lithium |
| 11 | Na | Sodium | 22.990 | solid | [Ne] 3s1 | Sodium | Sodium |
| 19 | K | Potassium | 39.098 | solid | [Ar] 4s1 | Potassium | Potassium |
| 37 | Rb | Rubidium | 85.468 | solid | [Kr] 5s1 | Rubidium | Rubidium |
| 55 | Cs | Cesium | 132.905 | solid | [Xe] 6s1 | Cesium | Cesium |
| 87 | Fr | Francium | 223.000 | solid | [Rn] 7s1 | Francium | Francium |
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