Ion
/ˈaɪən/
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Definition
(noun) An atom or group of atoms bearing an electrical charge, such as the sodium and chlorine atoms in a salt solution.
Sentence Examples
This spacecraft is powered by ion thrusters.
An ion is an atom or molecule with a net electric charge.
CEFR Practice Quiz
An ____ is an atom or molecule that has a total electrical charge due to the loss or gain of electrons.