There are three valance electrons. These are the electrons in the outer shell if it is not full.
5
Four.
14 total electrons. 5 valence electrons.
Hydrogen only has 1 electron.
Boron has 3 valence electrons.
Boron has 3 valence electrons.
3
Boron has three valence electrons.
Boron has 3 valence electrons.Boron has 3 valence electrons.
3
3 valence electrons. As the atomic number of boron is 5, it would have 2 electrons in the first shell and 3 valence electrons in the second shell.
3