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Chemical Elements

Neon

neon atom, uses of neon, atomic number of neon, Neon gas, noble gases

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>  Properties and Occurence

Neon (Greek neos “new”), symbol Ne, colorless, odorless, nonreactive gaseous element that makes up a tiny fraction of Earth's atmosphere. A member of group 18 (or VIIIa) of the periodic table, neon is one of the noble gases. The atomic number of neon—that is, the number of protons in the nucleus of a neon atom—is 10.

Uses

Neon gas produces a distinctive reddish-orange glow when an electric current is forced through a tube containing the gas at a low pressure. These vacuum electric-discharge tubes are used extensively in the familiar neon light of advertising displays. The term neon light is often incorrectly applied to discharge tubes filled with gases other than neon that produce a colored glow. Other uses of neon include in television tubes, gas lasers, and high-voltage indicators. Liquid neon is used as a cryogenic refrigerant. It has over 40 times more refrigerating capacity per unit volume than liquid helium.



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neon atom, uses of neon, atomic number of neon, Neon gas, noble gases, liquid helium, number of protons, periodic table, nucleus, gases, low pressure, atmosphere, times, Uses

 
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