7.
8
Copper has 4
A fluorine atom has seven valence electrons, as do all halogens.
Valence elctrons are involved in chemical reactions.
The element chlorine has seven electrons in its valence shell.
Chlorine has 7 valence electrons.
The 2 electrons from 3s orbital.
For group 12 to 17 you have to subtract 10 to get the valence elctrons.
In every chlorine atom, there are seven valence electrons.
An atom of chlorine has 7 valence electrons because it is in group 17 of the periodic table.
3
chlorine has 7 valence electrons.