What is one way to find the number of valence electrons in an element

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Jerimiah Mora

Physics

23 July, 07:35

What is one way to find the number of valence electrons in an element

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Jaeden · Answer 1

Count the columns on the periodic table from left to right and the valence electrons the first column of elements has is one. Second column has 2 and so on until you reach 8. The only exception is helium does not have 8. It is in the 8th column but it has 2 valence electrons.