Carbon has several isotopes including ¹²C and ¹⁴C. These isotopes differ in the number of ____.

A) electrons only
B) neutrons only
C) protons only
D) electrons and protons
E) protons and neutrons

Isotopes

Forms of an element that differ in the number of neutrons their atoms carry.

Electrons

Negatively charged particles in atoms, playing a crucial role in chemical reactions and electricity by transferring energy and charge.

Neutrons

Subatomic particles found in the nucleus of an atom, having no electrical charge and a mass slightly greater than that of protons.