Question

The number of positive charges in the nucleus of an atom is equal to: its mass number its atomic number Avogadro's number its atomic mass

Answer 1

Its atomic number

Step-by-step explanation:

This is a simple answer, but I assure you that it is 100% correct.

Hope this helps.

Answer 2

its atomic number

Step-by-step explanation:

the mass number/atomic mass is how many protons and neutrons are combined in an element. But, the atomic number is just protons.