The halogens are the group seven, the group right before the noble gases. They require 1 electron for a full outer shell. So they have 7 valence electrons. (s2 px2 py2 pz1)
Zinc has two valence electrons.
Aluminum has 3 valence electrons.
3 valence electrons
Lead has 4 valence electrons.
One valence electrons
Indium has 3 valence electrons.
8 valence electrons- 1s22s2p63s2p6
Zinc has two valence electrons.
5 valence electrons.
Aluminum has 3 valence electrons.
Beryllium has two valence electrons.
3 valence electrons
There are 3 valence electrons in an atom of aluminium.
There are no valence electrons.
Lead has 4 valence electrons.
6 Valence Electrons
Valence electrons are placed in the outermost shell of electrons.