One chlorine (Cl) atom has 7 valence electrons. Chlorine is in Group 17 of the periodic table, which means it has 7 electrons in its outermost shell.
On left, C l with 2 black dots each above, left, and below and 1 black dot right. On the right, C l with 2 black dots each above, right, and below and 1 black dot left.
Chlorine, which is used to clean swimming pools, exists as two chlorine atoms covalently bonded to each other.
How many valence electrons does one chlorine (Cl) atom have?
1 answer