Ion

1834

Ion

The book of science

Tom Sharp

Michael Faraday chemistry

Ion

Charged particles

Faraday cup

Going

An ion may be monatomic or polyatomic. A household air ionisers give air molecules a negative charge so that, floating around a room, they attach themselves to positively charged particles of dust or air-borne bacteria so that they are more readily removed from circulation.

See also in The book of science:

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