8
7.
Copper has 4
Krypton has 8 valence electrons.
Krypton has 8 valence electrons.
Krypton has 8 valence electrons.
Krypton has 8 valence electrons.
Krypton has 8 valence electrons.
Krypton has 8 valence electrons.
Krypton has 8 valence electrons.
Krypton has 8 valence electrons, as it is in Group 18 (Noble Gases) of the periodic table.
Yes, krypton has eight valence electrons.
A fluorine atom has seven valence electrons, as do all halogens.