Prab: CSV import

2025-02-18T12:00:21Z

CSV import

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			<gallery>
			File:Nonmetals_in_the_periodic_table.png\|Nonmetals in the periodic table
			File:Arsen_1a.jpg\|Arsenic sample
			File:1x1.png\|Nonmetal
			File:EN_values_of_chalcogens.png\|Electronegativity values of chalcogens
			File:Pentazenium.png\|Pentazenium ion
			File:brown-boron.jpg\|Brown boron
			File:Argon_ice_1.jpg\|Argon ice
			File:Selenium_black_(cropped).jpg\|Black selenium
			File:Fuming_nitric_acid_40ml.jpg\|Fuming nitric acid
			File:Circuit_Breaker_115_kV.jpg\|Circuit breaker
			File:Airbornelaserturret.jpg\|Airborne laser turret
			File:Argon.jpg\|Argon gas
			</gallery>

Prab: CSV import

2024-02-24T19:57:20Z

CSV import

New page

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

== Characteristics ==

Nonmetals exhibit a wide range of [[Physical properties|physical properties]], but they generally have lower [[Density|densities]], lower [[Melting point|melting points]], and lower [[Boiling point|boiling points]] compared to metals. They are poor conductors of [[Heat|heat]] and [[Electricity|electricity]], and they tend to form [[Anion|anions]] or [[Covalent bond|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|oxygen]], [[Nitrogen|nitrogen]], and [[Fluorine|fluorine]].
* '''[[Noble gases]]''': These are nonmetals that are generally unreactive. They include elements such as [[Helium|helium]], [[Neon|neon]], and [[Argon|argon]].
* '''[[Metalloids]]''': These are elements that have properties intermediate between metals and nonmetals. They include elements such as [[Silicon|silicon]], [[Germanium|germanium]], and [[Arsenic|arsenic]].

== Uses ==

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

== See also ==
* [[Metal]]
* [[Periodic table]]
* [[Chemical element]]

[[Category:Chemistry]]
[[Category:Nonmetals]]
[[Category:Chemical elements]]

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← Older revision		Revision as of 12:00, 18 February 2025
Line 28:		Line 28:
	{{stub}}		{{stub}}
	{{dictionary-stub1}}		{{dictionary-stub1}}
			<gallery>
			File:Nonmetals_in_the_periodic_table.png\|Nonmetals in the periodic table
			File:Arsen_1a.jpg\|Arsenic sample
			File:1x1.png\|Nonmetal
			File:EN_values_of_chalcogens.png\|Electronegativity values of chalcogens
			File:Pentazenium.png\|Pentazenium ion
			File:brown-boron.jpg\|Brown boron
			File:Argon_ice_1.jpg\|Argon ice
			File:Selenium_black_(cropped).jpg\|Black selenium
			File:Fuming_nitric_acid_40ml.jpg\|Fuming nitric acid
			File:Circuit_Breaker_115_kV.jpg\|Circuit breaker
			File:Airbornelaserturret.jpg\|Airborne laser turret
			File:Argon.jpg\|Argon gas
			</gallery>

Nonmetal - Revision history

Prab: CSV import

Prab: CSV import