An atom contains 12 protons and 12 neutrons, and a different atom contains 10 protons and 12 neutrons. These two atoms are not isotopes.

Question

Quizplus · Accepted Answer

Isotopes are variants of a particular chemical element which differ in neutron number, but have the same number of protons. Since these atoms have different numbers of protons (12 vs. 10), they are different elements, not isotopes of the same element.

An Atom Contains 12 Protons and 12 Neutrons, and a Different