Question

1. Given an element's atomic number and mass number, how can you tell the number of protons and neutrons in its nucleus?

Answer 1

C. Number of protons = atomic number; number of neutrons = mass number - atomic number

Answer 2

Answer:

last one. c

Explanation:

atomic number; number of neutrons = mass number - atomic number​ is the very important to find the number of the question.