noble gas: Quick Facts

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Also Known As	rare gas • Group 18 element • Group 0 element • inert gas

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Argon isolation

Diagram of the shell atomic model for a neon atom, showing electrons orbiting in two shells around a central nucleus. An inset details the nucleus, depicting clustered protons and neutrons.

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xenon helium krypton radon argon oganesson neon octet chemical element rare-earth element transition metal hydrogen alkali metal actinoid element alkaline-earth metal carbon group element boron group element oxygen group element nitrogen group element

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William Ramsay

Sir William Ramsay

British chemist

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Friedrich Adolf Paneth

Austrian chemist

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