Nonmetal

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In chemistry, a nonmetal (or non-metal) is a chemical element that mostly lacks metallic attributes. In the periodic table there are 18 nonmetals (22 by older definition).

Nonmetals from the periodic table

General properties

Out of the 18 nonmetals from the periodic table, 5 are solid, 1 is liquid and 11 are in the gaseous phase at standard conditions.

References

Relevant Sciencemadness threads