Symbol |
Ne |
|
Atomic Number |
10 |
Relative Atomic Mass 12C = 12.0000 |
20.1797 |
Atomic Radius pm |
n/a |
First Ionisation Energy kJ mol-1 |
2080.6 |
Electronegativity |
4.84 |
Density kg m-3 |
1444 [m.p.] 1207.3 [b.p] 0.89994 [273 K] |
Molar Volume cm3 |
13.97 [24 K] |
Thermal Conductivity W m-1 K-1 |
0.0493 [300 K] |
Melting Point K |
24.48 |
Boiling Point K |
27.10 |
Number of Isotopes |
9 |
Ground State Electron Configuration |
[He]2s22p6 = [Ne] |
Term Symbol |
1S0 |
Discovery |
Discovered by Sir W. Ramsey and M.W. Travers (London, England) in 1898 |
Name Derived From |
Greek neon meaning 'new' |
Name in Other Languages |
Croatian | Neon |
Danish | neon |
Dutch | neon |
Finnish | neon |
French | néon |
German | Neon |
Italian | neo |
Norwegian | neon |
Portuguese | néon |
Spanish | neón |
Swedish | neon |
Peter van der Krogt's Element Multidict - element name translations in over 48 langauges |