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07-01-2021
Chemistry

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Which elements have two valence electrons?
A. Carbon
B. Magnesium
C. Fluorine
D. Sodium

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07-01-2021

Answer:

Magnesium

Explanation:

Magnesium is in group 2 of the periodic table. The group in which an element is found in tells us the number of valence eletrons it has.

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