Which of the following two atoms are isotopes? A) ^{Ar and}^Ca B) ^{C and}^C C) ^{l and}^Br D) ^{Mg and}^C

Question

Quizplus · Accepted Answer

Isotopes are atoms of the same element that have the same number of protons but different numbers of neutrons. In choice B, the two atoms have the same number of protons (11) but different numbers of neutrons, making them isotopes. The other choices do not have atoms with the same number of protons and different numbers of neutrons.

Which of the Following Two Atoms Are Isotopes