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Tpy6a [65]
4 years ago
7

The reactivity of an atom arises from

Chemistry
1 answer:
d1i1m1o1n [39]4 years ago
7 0

Answer:

C. The number of electrons in the valence shell

Explanation:

When the valence shells are complete, the atom is unreactive. However, when they are incomplete, they are chemically reactive.

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