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Chemistry Central - The Elements

An element is a substance that contains only one kind of atom – the tiny particles of which all atoms are made.

A chemical element is a pure chemical substance consisting of one type of atom distinguished by its atomic number, which is the number of protons in its nucleus.

The term is also used to refer to a pure chemical substance composed of atoms with the same number of protons.

The Elements

Grouping Elements

Metal Elements

Non-metal elements

Semi-metal elements

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