Question

how many electrons are transferred in the compound mgf₂
8
16
1
2

Explanation:

Step1: Analyze Mg's valence electrons

Magnesium (Mg) is in Group 2 of the periodic - table and has 2 valence electrons. It loses 2 electrons to achieve a stable electron configuration.

Step2: Analyze F's valence electrons

Fluorine (F) is in Group 17 and has 7 valence electrons. Each F atom gains 1 electron to achieve a stable octet. In MgF₂, there are 2 F atoms, and they gain a total of 2 electrons (1 electron per F atom).

Answer:

D. 2