Generally, when going down a group on the periodic table, the ionization energy:

increases

decreases

remains the same except for noble gases

remains the same except for halogens
@Sweetburger
@MissSmartiez

Question

Generally, when going down a group on the periodic table, the ionization energy:
		
increases
		
decreases
		
remains the same except for noble gases
		
remains the same except for halogens
@Sweetburger
@MissSmartiez

sweetburger · Answer

Ionization energy is the energy required to remove the outermost electron from what I recall.

rhondasommer · Answer

so...b?

sweetburger · Answer

When you go down a period the further away the outermost electron becomes from the positive nucleus of the atom therefore it decreases.

sweetburger · Answer

yes so you are correct