chemistry






 

Question by  JG000 (162)

How do you count the valence electrons of an atom?

 
+7

Answer by  bug57 (1048)

The number of valence electrons an atom has directly corresponds with the number of the column it is in on the periodic table, 1 though 8.

 
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Answer by  apsaras (408)

To find the number of valence electrons for a main group element, add up the number of electrons in the outermost shell of the atom.

 
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