dawsonarianna11
Answered

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9) How many valence electrons does this atom have?
A.2
B. 3
C.8
D. 13

Sagot :

neya7230

Answer:

I think it's 2

Explanation:

Within each column, or group, of the table, all the elements have the same number of valence electrons. This explains why all the elements in the same group have very similar chemical properties. For elements in groups 1–2 and 13–18, the number of valence electrons is easy to tell directly from the periodic table.

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