The correct answer is complete.
<span>Valence
is the number of electrons an atom must gain or lose in order to complete
its outer energy level or have a stable octet in its outer shell.
In the first energy level it can have only 2, but later levels can have 8, that is, an octet.</span>
300 joules of energy. 10% is lost as you go up the pyramid
Answer:
Dodo bird...................
Its c the correct one answer
