Question

What information does the atomic number give? What information does the mass number give?

Answer 1

for example for Chlorine. This symbol tells you that the chlorine atom has 17 protons. It will also have 17 electrons, because the number of protons and electrons in an atom is the same. The symbol also tells you that the total number of protons and neutrons in the chlorine atom is 35

Answer 2

A mass number is the total number of protons and neutrons found in an atom

Answer 3

@moriahfmann Please give a medal if you are satisfied with an answer.

Answer 4

the atomic number gives the number of protons of an elements and the mass number is the sum of number of protons and neutrons.