The second ionization energy of potassium is much higher than the first ionization energy because…
The options are:
a) The atom has a larger radius after the removal of the first electron
b) The effective nuclear charge for valence electrons decreases
c) The second electron is removed from a stable noble gas core
d) The second electron is a valence electron
e) Answers a & b are correct
1 answer
e) Answers a & b are correct