Ion (Noun)
Meaning
A particle that is electrically charged (positive or negative); an atom or molecule or group that has lost or gained one or more electrons.
Classification
Nouns denoting natural objects (not man-made).
Examples
- The hydrogen atom is positively charged and therefore a cationic ion.
- In the presence of water, the sodium ion reacts with oxygen to form sodium oxide.
- The process of ionization involves stripping away or adding electrons to create ions.
- Positively charged ions are attracted to the opposite electrode during electrolysis.
- The negatively charged ion of chlorine readily combines with many substances to form compounds.