Ne - Neon

This inert gas is well known for its orange light seen in 'neon signs'. Neon (as well as krypton, xenon and radon.) was extracted by William Ramsey and M. W. Travers from liquid air in 1898 in London. 

Atomic number - 10 Density g/mL 0 .0000901
Atomic weight u 20 .179 Melting point K 24 .553
Bonding radius A 0 .71 Boiling point K 27 .096
Atomic radius A 0 .51 Heat of vaporization kJ/mol 1 .7326
Ionization Potential V 21 .564 Heat of fusion kJ/mol 0 .3317
Electronegativity - - Specific heat J/gK 0 .904
The oxide is unknown.
Crystal are face centered cubic.

Electron config. : 1s2 2s2 2p6


Isotopes of Ne: Click mass number for decay process, product for element page.


016
122KEV
p,10.539 MeV
F-15
16.025753
017
109.2 msec
EC/ECa/ECp,14.530
F-17/N-13/O-16
17.017702
018
1672 msec
EC,4.446 MeV
F-18
18.005710
019
17.22 sec
EC,3.238 MeV
F-19
19.001879
020 90.48%

Stable

19.992440
021 0.27%

Stable

20.993846
022 9.25%

Stable

21.991385
023
37.24 sec
B-,4.376 MeV
Na-23
22.994467
024
3.38 min
B-,2.470 MeV
Na-24
23.993614
025
602 msec
B-,7.300 MeV
Na-25
24.997788
026
0.23 sec
B-,7.330 MeV
Na-26
26.000461
027
32 msec
B-/B-n,12.670
Na-27/Na-26
27.007611
028
14 msec
B-/B-n,8.790
Na-28/Na-27
28.012109
029
0.2 sec
B-n,12.310
Na-28
29.019323
MASS abund.
Halflife
Particle, Energy
Decay Product(s)
Isotopic Mass