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Which of these is true of the first ionization energy within a group?
Question 13 options:

There is no pattern of ionization energy within a group.

The first ionization energy does not vary within a group.

The first ionization energy increases from top to bottom within a group.

The first ionization energy decreases from top to bottom within a group.

Respuesta :

Harry108
As you move down a group, first ionization energy decreases. Electrons are further from the nucleus and thus easier to remove the outermost one

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