Answer:
[tex][/tex] Group IA: Lithium (Li)
Lithium is in Group IA and has 1 valence electron, which is the same as its group number.
Group IIA: Beryllium (Be)
Beryllium is in Group IIA and has 2 valence electrons, which is the same as its group number.
Group VIIA: Fluorine (F)
Fluorine is in Group VIIA and has 7 valence electrons, which is the same as its group number.
