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Ratling [72]
3 years ago
5

How many valence electrons are in the outermost energy level of each of the following elements? A. Helium B. Lithium C. Nitrogen

D. Magnesium
Chemistry
1 answer:
aleksklad [387]3 years ago
8 0
<span>A. Helium </span>atomic number 2
hope it helps
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