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NEON

NEON. Atomic Symbol: Ne Atomic Number: 10 Atomic Mass: 20.180 Group Number: 18 Period Number: 10. An atom of Neon. Physical/Chemical Properties of Neon. The melting point of neon is: - 248.67°C or -249 B oiling point is: - 246.048°C or -246

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NEON

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  1. NEON

  2. Atomic Symbol: Ne • Atomic Number: 10 • Atomic Mass: 20.180 • Group Number: 18 • Period Number: 10

  3. An atom of Neon

  4. Physical/Chemical Properties of Neon The melting point of neon is: -248.67°C or -249 Boiling point is: -246.048°C or -246 Density of liquid at boiling point is: 1.207 g/cm3 Isotopes: 3

  5. Uses of Neon • Used to make neon advertising signs. (largest use) • Used to make high-voltage indicators, lightning arrestors, wave meter tubes, and TV tubes. • Neon and helium are used in making gas lasers.

  6. History of Neon Neon was discovered by Sir William Ramsay, a Scottish chemist, and Morris M. Travers, an English chemist, shortly after they discovered the element krypton in 1898.

  7. Allotropes, Isotopes, or Important Compounds Every atomic mass number between 16 and 34 can be an isotope of Neon, but the only three stable ones are 20Ne, 21Ne, and 22Ne. Neon doesn’t have any allotropes.

  8. Interesting Facts • Neon's name comes from the Greek word for new. • The largest use for neon gas is in advertising signs. • Neon is colorless, but glows reddish-orange in an electric discharge. • Neon is also used to make high voltage indicators and is combined with helium to make helium-neon lasers.

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