3
There are 27 valance electrons.
2 valance electrons
Lithium (Li) has 1 valence electron. It is in the same 'family' as Sodium (Na) and Potassium (K)
Iodine has 7 valance electrons
They have different numbers of valance electrons
6 valence electrons
6 valence electrons
there are six
Two.
hundereds
2
1