Answer:J , the answer is super giants
The answer is (C) as the definitions states that atomic mass is the number of protons and neutrons.
Hope this helps :).
Answer:
Mass of one electron is 9.1 × 10⁻³¹ kg
Mass of one proton is 1.673 × 10⁻²⁷ Kg
Mass of one neutron is 1.675 × 10⁻²⁷ Kg
<u>-TheUnknownScientist</u><u> 72</u>
Decrease because loss of electrons.