Question

an atom that has an electrical charge is called a(n)
a ion.
b molecule.
c isotope.
d element.
e proton.

Explanation:

An ion is an atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons. A molecule is a group of atoms bonded together. An isotope is an atom of an element with the same number of protons but different number of neutrons. An element is a pure substance made of only one type of atom. A proton is a sub - atomic particle with a positive charge found in the nucleus of an atom.

Answer:

A. ion