A neutral oxygen atom has six valence electrons.
Alkali metals have one valence electron.
There are no valence electrons.
one electron
8 valence electron
The valence of beryllium is two.
Silver has one valence electron.
Radium has one valence electron.
one valence electron
Francium has one valence electron.
Lithium has one valence electron.
Sodium has one valence electron.
Krypton has 8 valence electrons.