Oxygen is the element. It has a total of 6 valence electrons.
Answer:
20.6
Explanation:
I don't know how to show the work for it without pencil and paper but go from there, Good Luck!
I'm pretty sure it's B because carbon atoms are in all living organisms. They can also be bonded in different varations.
2 NH3 -> 1 N2 + 3 H2
Explanation:
That would be the answer to this