Question

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

Number of protons = mass number; number of neutrons atomic number - mass number
Number of protons = atomic number; number of neutrons = mass number + atomic number
Number of protons = atomic number; number of neutrons = mass number - atomic number​

Answer 1

last one. c

Step-by-step explanation:

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

Answer 2

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