Core
Periodicity: Ionization Energy & Electron Affinity
Slide 27 of 28
Practice Questions:
Structured
(ii)
Explain the difference between the first ionization energies of Na and Mg. [4]
–(iii) Suggest why much more energy is needed to remove an
electron from Na+ than from
Mg+.
[1]
4. N02/4a(i). Define the term first ionization energy. [1]