Problem: Magnesium and sulfur react to form MgS, an ionic compound. The magnesium ion, Mg2+, has ______ electrons in its highest occupied energy level. a. 8b. 2c. 10d. 4e. 5

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Magnesium and sulfur react to form MgS, an ionic compound. The magnesium ion, Mg2+, has ______ electrons in its highest occupied energy level.

 a. 8

b. 2

c. 10

d. 4

e. 5

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