Question

What is the best definition

of the atomic number?
A. the number of protons found in the nucleus
B. the number of protons found outside the
nucleus
C. the number of neutrons found in the nucleus

Answer 1

Answer: a

Step-by-step explanation:

An atomic number is the number of protons found in the nucleus. The number of protons is equal to the number of electrons. The atomic mass the atomic number add the amount of neutrons.

Answer 2

a is the correct answer

Step-by-step explanation:

no.of proton defines atomic number in an atom