Neon

Symbol NeAtomic number 10
Atomic mass
20.179
 Thermal conductivity
0.000493
Atomic radius
0.51
 Covalent radius
0.71
Density
0.000901
 Atomic volume
16.7
Melting point
24.48
 Oxidation states
...
Boiling point
27.096
 Stable isotopes
3
Heat of vapor.
1.7326
 Electronegativity
...
Heat of fusion
0.3317
 First ionization
21.564
Specific heat
0.904
 Electrical conduct.
...
Electron configuration

General descriptionNuclear data
 Index

Periodic Table

Chemistry concepts
 
HyperPhysicsR Nave
 Go Back





Neon

Neon is the second noble gas. It represents the closing of the n=2 shell of electrons. It is found in the atmosphere at a concentration of about 0.002% . It is isolated mainly by the distillation of liquid air.

The brilliant emission from low pressure neon gas when it is excited by an electric discharge has made it very popular for illuminated signs. The term "neon sign" is commonly used for all such luminous gas signs, but the neon produces only the bright orange characteristic color. The other colors come from different gases such as helium, argon, mercury and combinations with each other and with neon.

Atomic dataNuclear data
Neon spectrumHelium-neon laser
 Index

Periodic Table

Chemistry concepts

Reference
Pauling
Ch. 5
 
HyperPhysicsR Nave
 Go Back







Neon Nuclear Data

Z
A
Atomic
Mass (u)
Nuclear
Mass(GeV/c2
Binding
Energy(MeV)
Spin
Natural
Abund.
Half-life
Decay
Q
MeV
10
20
19.992436
18.6179
160.65
0
0.9051
stable
...
...
10
21
20.993843
19.5507
167.41
3/2
0.0027
stable
...
...
10
22
21.991383
20.4799
177.78
0
0.0922
stable
...
...
10
23
22.994465
21.4143
182.98
5/2
...
37.2s
b-
4.38
10
24
23.993613
22.3450
191.84
0
...
3.38m
b-
2.47
Atomic data
 Index

Periodic Table

Chemistry concepts

Reference
Rohlf
 
HyperPhysicsR Nave
 Go Back