Answer:
3 atoms of (C)carbon, 5 atoms of (H)hydrogen and 2 atoms of (O)oxygen
Explanation:
i don't know what you mean by subscribe
and i don't know what a coefficient is
Both A and B are the answer.
Mass number of an element write in bottom of it!
So, there 80 would be the mass number of ₈₀Br.
Hope this helps!
The answer should be (A) liquid to solid. This is because it releases the heat absorbed by it when it had changed into liquid.