Chemistry

Chemistry, 05.10.2019 20:40, aliyahmuhammad5197

Why is the second ionization energy greater than the first ionization energy?

a. the size of atoms increases down a group.

b. the size of anions decreases across a period.

c. it is more difficult to remove a second electron from an atom.

d. the nuclear attraction from protons in the nucleus decreases.

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