Which metal will spontaneously donate electrons to sodium (Na)?

Answer

The more active the metal, the more easily it gives up its electron(s). Thus, for number 1, nickel is the only metal of the options that is more active than copper and is the only metal that would give up electrons for copper. For number 2, aluminum is the only metal that is less active than magnesium and is the only metal that would not donate electrons to magnesium.

Explanation:

b is the correct