Multiple choice

What are elements containing the same number of protons but different number of neutrons called?

  1. Isotopes

  2. Isobars

  3. Compounds

  4. Allotropes
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Isotopes are atoms of the same element with identical proton counts but different neutron counts. This gives them the same chemical properties but different atomic masses. Isobars have same mass number, compounds are combinations of elements, and allotropes are different structural forms of the same element.

Keep practicing — related questions