Nonmetal

Nonmetal is a term used in the field of Chemistry to refer to a set of chemical elements that primarily display properties opposite to those of metals. Nonmetals are located on the right side of the periodic table and include elements in groups 14-16.

Characteristics

Nonmetals exhibit a wide range of physical properties, but they generally have lower densities, lower melting points, and lower boiling points compared to metals. They are poor conductors of heat and electricity, and they tend to form anions or covalent bonds in chemical reactions.

Classification

Nonmetals can be classified into three types based on their properties:

• Reactive nonmetals: These are nonmetals that are highly reactive. They include elements such as oxygen, nitrogen, and fluorine.
• Noble gases: These are nonmetals that are generally unreactive. They include elements such as helium, neon, and argon.
• Metalloids: These are elements that have properties intermediate between metals and nonmetals. They include elements such as silicon, germanium, and arsenic.

Uses

Nonmetals have a wide range of uses in various industries. For example, oxygen is used in combustion processes, nitrogen is used in the production of ammonia, and silicon is used in the manufacture of semiconductors.

See also

• Metal
• Periodic table
• Chemical element

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  Nonmetals in the periodic table

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  Arsenic sample

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  Nonmetal

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  Electronegativity values of chalcogens

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  Pentazenium ion

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  Brown boron

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  Argon ice

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  Black selenium

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  Fuming nitric acid

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  Circuit breaker

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  Airborne laser turret

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  Argon gas