In the vertical columns of the periodic table, as the atomic numbers increase:

a. the number of electron shells increases.

b. the ionization energies increase.

c. the number of electrons in the valence shell increases.

d. the tendency to lose electrons decreases.

e. the size of the atom decreases.

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30 October, 00:54

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Clements · Answer 1

A.) The number of electron shells increases.

In the vertical columns of the periodic table, as the atomic numbers increase:a. the number of electron shells increases.b. the ionization energies increase.c. the number of electrons in the valence shell increases.d. the tendency to lose electrons decreases.e. the size of the atom decreases.