The answer will be D because the reaction is what's first(A) and then it is the product that comes out.
I would say that the answer has to be C
Since there is no change in mols on both sides of the equation the mass is constant
Answer:
mass number = 18
Explanation:
The mass number is the total amount of protons and neutrons in an atom. Therefore, if there are 8 protons and 10 neutrons, the mass number is 18 (8 + 10 = 18).
Answer:
if you want to have answers, don't take it wrong ...but put more details !
Explanation: