Question

fill in the blank question
when the ionic compound magnesium chloride forms, a magnesium atom loses blank electron(s), while two chlorine atoms gain blank electron(s) each. the resulting oppositely charged blank attract one another.

Explanation:

Magnesium has a valence of +2, so it loses 2 electrons. Chlorine has a valence of -1, so each chlorine atom gains 1 electron. In ionic compounds, the resulting oppositely charged ions attract each other.

Answer:

two; one; ions