Copper (Cu) has 2 valence electrons. It is located in the middle group of elements, called Transition Metals, and all transition metals have 2 valence electrons...hope that helped! =D
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.
I believe 9 no 12 no i dont know you should! listne more in lessons and revise then i bet you know
Lead has 4 valence electrons.
6 Valence Electrons