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Chemistry, 16.10.2019 02:00 cjp271

Iwill award ! anwser its for a test what determines an atom's reactivity?
a) how many protons the atom contains.
b) how many energy levels the atom contains.
c) whether the atom is a metal or a nonmetal.
d) how many valence electrons the atom contains.

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Iwill award ! anwser its for a test what determines an atom's reactivity?
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