4
Francium has one valence electron.
One(1)
6
Boron has 3 valence electrons.
valence electrons
The atomic number of lead is 82 and there are 82 protons and 82 electrons.
There are 4 valence electrons in lead.
Valence electrons. They exist in the atom's valence shell.
Valence electons
Lead has 4 valence electrons.
There are 4 valence electrons in lead.
Lead has 4 valence rings.