I believe 9 no 12 no i dont know you should! listne more in lessons and revise then i bet you know
6 valence electrons
how many valence electrons does family 1 have
8 valence electrons
3 valence electrons
10 valence electrons
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
6 valence electrons
how many valence electrons does family 1 have
3 valence electrons.
8 valence electrons
8 valence electrons
3 valence electrons
5 valence electrons.
3 valence electrons
Beryllium has two valence electrons.
10 valence electrons
Cl has 7 valence electrons.