I’m not good at this but I’m guessing it’ll be the first one!
C. The mass number is the amount of Protons and electrons there are combined, so 200 - 80 is 120.
Answer:
3NaOH + H3PO4 ---> 3H2O + Na3PO4
Explanation:
Protons and neutrons are in the center of the atom, making up the nucleus. The charge on the proton and electron are exactly the same size but opposite. Neutrons have no charge.
The correct answer is False.