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3 years ago

9

What is the pattern of valence numbers on the periodic table?

1 answer:

const2013 [10]3 years ago

7 0

Answer:

In general, the number of valence electrons is the same within a column and increases from left to right within a row. Group 1 elements have just one valence electron and group 18 elements have eight, except for helium, which has only two electrons total.

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