Question

students choose an option
do not remove this bar
periodic table groups and families
#8
which group has 7 valence
electrons?
your response
alkaline earth metals
noble gases
halogens

Explanation:

The question is about identifying the group in the periodic table with 7 valence electrons. Halogens (Group 17) have 7 valence electrons. Alkaline earth metals (Group 2) have 2 valence electrons, and noble gases (Group 18) have 8 (except helium with 2).

Answer:

halogens