Multiple choice

If an element has three isotopes what does that mean?

  1. It has 3 forms with each having different number of electron

  2. It has 3 forms with each having different number of neutrons

  3. It has 3 forms with each having different number of protons

  4. It has 3 forms with each having different charges

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Isotopes are atoms of the same element that have the same number of protons but a different number of neutrons, resulting in a different atomic mass.