The al alkaline earth metals have two railing electrons how does it form ions 1. gain two electrons 2. gain 6 electrons 3. they lose 2 4. they lose 6

The correct response would be 3. The alkaline earth metals would tend to lose its valence electrons, in this case 2 of them at different energy levels, to form the same respective ion, which is +2.

The answer to the question is d