Discover a wealth of knowledge and get your questions answered on IDNLearn.com. Discover reliable and timely information on any topic from our network of experienced professionals.
Answer:
magnesium has a higher ionization energy because its radius is smaller. calcium has a higher ionization energy because it outermost sub-energy level is full. they have the same ionization energy because they have the same number of valence electrons.
Explanation:
hope this helps