Question

the atomic mass of an element whose atoms consist of 8 protons 9 neutrons and 8 electrons is _____.
8
16
17
25

Answer 1

To find the atomic Mass of an element all you have to do is add the Proton and Neutron count. So 8+8 is 16 and there’s your answer.

Answer 2

The correct answer is 17

Just add The neutrons and protons together.