Chemistry
Matter in any state is composed of small particles - molecules, atoms or ions.
Differentiate the terms above in italics.
Matter
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Answer
| Atom | Molecules | Ions |
|---|---|---|
| An atom is the smallest particle of an element which can take part in a reaction. It is the basic unit of matter. | A molecule is the smallest particle of a substance which retains the characteristics of the substance. | An ion is any atom or a group of atoms which has a resultant charge due to loss or gain of electrons. |
| Examples: O, H, Cl | Examples: O2, H2, Cl2 | Examples: O2-, H1+, Cl1- |
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