Question

What does the atomic number tell you about the element?

O number of protons
number of electrons
O number of neutrons
O total number of neutrons and protons

Answer 1

These two numbers are fixed for an element. The mass number tells us the number (the sum of nucleons) of protons and neutrons in the nucleus of an atom. The atomic number (also known as the proton number) is the number of protons found in the nucleus of an atom. It is traditionally represented by the symbol Z.

Step-by-step explanation:

(D) O total number of neutrons and protons