Valence electrons for : hydrogen, helium, lithium, beryllium
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Answer:
Explanation:
There is one valence electron in hydrogen
Helium is a noble gas, so there are no valance electrons
There is one valenece electron in lithium
There are two valence electrons in beryllium
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Answer:Hydrogen=1
Hellium=2
Lithium=3
Beryllium=4
Explanation:
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