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Group of chemical elements tend to be chemically inert and thus form odorless, colorless, monatomic gases with low reactivity; consists of helium, neon, argon, krypton, xenon, radon, and possibly oganesson.
The pacifist noblegases are a demilitarized zone surrounded by unstable neighbors.
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If that's the case, then the noblegases' nonreactivity is the key to sonoluminescence.
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Nitrogen, one of the noblegases, is inert and in and of itself harmless.
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The repose of the noblegases is rare, however.
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Electrons fill up shells more quickly, and nonreactive noblegases are separated by fewer elements.
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Unlike most of her contemporaries, Goeppert-Mayer saw a parallel here to the incredible stability of noblegases.
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Yes, apart from the noblegases.
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In 1904 Sir William Ramsay won the Nobel Prize for Chemistry discovering the noblegases which include neon, krypton and helium.
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Like all noblegases, helium glows when excited by electricity, and Rutherford's mystery particles began glowing helium's characteristic green and yellow.
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Although it may look like your typical pinball game, with a heavy infusion of heated noblegases and a dance-club soundtrack, PinOut!
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With the noblegases, the atoms have filled valence shells already and so do not stand to gain by any electron transfers.
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Patients gulp a lung full of one of two noblegases -helium or xenon -that have been hyperpolarized with lasers.
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And except for the self-satisfied noblegases, all these elements' outer-shell electrons are available to dump onto or react with other atoms.
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When I got called on in class to enumerate the noblegases and I didn't have a clue what the teacher was talking about.
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Elements whose address on the table should make them normal heavy metals might fill in their octets early and act like metallic noblegases instead.
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Other combinations of aluminium can mimic noblegases, semiconductors, bone materials like calcium, or elements from pretty much any other region of the periodic table.