Tuesday, April 19, 2011

Neon Need-to-knows

Neon- Origin from Greek word (neos) meaning new

Ne

Atomic # 10

Atomic Mass- 20.1797 amu

Group 18 Period 2

1s2 2s2 2p6  Valence Electrons-8

Color- Colourless

Melting Point= - 248.6 C

Boiling Point= -246.1 C

Density (at 293 K) = 0.901 g/cm3

Structure- Cubic

Physical State (at room temperature)- gas

Atomic Radius- .848 pm

Neon is a simple asphyxiant and, if the area is not properly ventilated, the oxygen in the air gets displaced and the user may suffocate.

Today, neon is mostly used for bright street signs, neon lasers, and tv tubes but, neon glow lamps were very common in the 1970s

Discoverd in 1898 by Sir William Ramsay

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