Element/alkali
< Element
Atomic Symbol | Element | Protons | Electrons | Neutrons | [hide]Atomic weight |
---|---|---|---|---|---|
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Lithium | 3 | 3 | 3 | 7 |
4 | |||||
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Sodium | 11 | 11 | 11 | 23 |
12 | |||||
13 | |||||
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Potassium | 19 | 19 | 20 | 39 |
21 | |||||
22 | |||||
23 | |||||
24 | |||||
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Rubidium | 37 | 37 | 48 | 85 |
49 | |||||
50 | |||||
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Cesium | 55 | 55 | 74 | 133 |
78 | |||||
79 | |||||
81 | |||||
82 | |||||
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Francium | 87 | 87 | 136 | 223 |