Answer:
barium and silicon has same valence electrons
Explanation:
barium-2,8,18,18,8,2
neon-2,8
silicon-2,8,2,2
carbon-2,4
Answer:
A the answer is A I'm sure
Answer:
6 mol H, 9 mol O2
Explanation:
We can see that in water, there are 6 moles of hydrogen, and for oxygen, there is 9 moles
