A neutral oxygen atom has six valence electrons.
Alkali metals have one valence electron.
One. A hydrogen atom contains only one electron, and it is a valence electron.
one valence electrons
one electron
Rubidium has one valence electron in the 5s orbital.
Potassium has 1 valance electron.
The valence of beryllium is two.
There are no valence electrons.
Radium has one valence electron.
Francium has one valence electron.
Six valence electrons
Sodium has one valence electron.