Neon
Main page |
| Other names/abbreviations: | Ne |
| Element no: | 10 |
| Element group: | 18 (IUPAC) VIII A (American labelling) VIII B (European labelling) Noble gasses |
| Element type: | Nonmetals |
| CAS-Number: | 7440-01-9 |
| EINECS-Number: | 231-110-9 |
Chemical properties
Reaction of neon with waterNeon does not react with water. It does, however, dissolve slightly to the extent of about 10.5 cm3/kg at 20 °C (293 K) [1].
Physical properties
Appearance | ||
| Physical state @ 20°C: | Gas | |
| Color: | Colourless | |
Bulk properties | ||
| Molecular weight (g/mol): | 20.1797(6) [1] | |
| Melting point (°C): | -248.61 [1] | |
| Boiling point (°C): | -246.06 [1] | |
| Density (g/cm3): | 0.00089994 [1] | |
| Molar volume (cm3): | 13.23 | |
| Velocity of sound (m/s): | 936 | |
Optical properties | ||
| Refractive index: | 1.000067 | |
Thermodynamic properties | ||
| ΔH°vaporization (kJ/mol): | 1.74 [1] | |
| Critical temperature (°C): | -228.7 [2] | |
Electronic properties | ||
 |
Electron configuration: | 1s2-2s2-2p6 |
Conductivity | ||
| Thermal (W/m·K): | 0.0461 (0 °C) [1] | |
References
1: Greenwood,N.N., Earnshaw,A. Chemistry of the elements2nd edition (1997) Edited by Greenwood,N.N., Earnshaw,A. pp. 1-1340, Butterworth-Heinemann. Oxford. Great Britain
2: CRC Handbook of Chemistry and Physics
75th edition (1994) Edited by Lide,D.R. , CRC Press Inc. Boca Raton, USA
© Michael Pilgaard
Created: April 29, 2006
Last update: October 31, 2008