Question

What is ionization energy?

a) the minimum energy required to remove one electron from an atom.
b) the maximum energy required to remove one electron from an atom.
c) the maximum energy required to move one electron to the valence shell.
d) the minimum energy required to move one electron to the valence shell.

Answer 1

Ionization energy is the minimum energy required to remove an electron from valence shell.
Hence A is correct.

Answer 2

i will say it will be B. the maximum energy required to remove one electron from an atom... hope that help