Question

How many TOTAL valence electrons are in the molecule H 2 O ? 8,2,6,1

Answer 1

8

Step-by-step explanation:

Hydrogen has 1 Valence electron, and H2O has 2 Hydrogen. Oxygen has 6 Valence electrons so do 2+6 = 8. 8 Valence electrons! (Or one full shell not consisting of the first shell.)