5.challenge: can two atoms have the same atomic number but different neutrons? what are they called?

5.challenge: can two atoms have the same atomic number but different neutrons? what are they called?
Answer
Brief Explanations:
The atomic number is the number of protons in an atom's nucleus. Atoms with the same atomic number but different numbers of neutrons are called isotopes.
Answer:
Yes, they are called isotopes.