Question

How are the number of protons represented in the periodic table?

1.Atomic mass
2.Mass number
3.Atomic mass
4.Isotope

Answer 1

the answer is atomic number

hope this helps

Answer 2

Assuming that you meant for one of the atomic mass to be an atomic number, then your answer would be the atomic number.

This is because, if you look at a diagram of an element, you'll see that each thing has a label. The large letter is the chemical symbol, the atomic mass is typically below the chemical symbol, and the atomic number is usually somewhere on the top.

Hope this helps!