The second ionization energy of Mg is ________ than its first ionization energy, and is __________ than the second ionization energy of Na.
A) higher, higher
B) lower, higher
C) higher, lower
D) lower, lower

Question

Quizplus · Accepted Answer

The second ionization energy of Mg is higher than its first ionization energy because removing a second electron from a positively charged ion requires more energy. Additionally, the second ionization energy of Mg is lower than the second ionization energy of Na because magnesium has a smaller atomic radius and stronger nuclear attraction, making it more difficult to remove electrons.

The Second Ionization Energy of Mg Is ________ Than Its