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Chemistry
Beau Atkins
19 January, 05:11
How many valence electrons does 1s2 2s2 2p5
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Sage Jarvis
19 January, 08:22
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Seven valence electrons
All other elements in this family, Li, Na, K, Rb, and Cs, also have only one valence electron. On the other hand, fluorine has seven valence electrons, as shown by its configuration 1s2 2s2 2p5.
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