Neon
Iste articulo describe le gas nobile. Pro altere significationes, vide Neon (disambiguation)
Neon es le elemento chimic que ha le symbolo Ne e un numero atomic de 10. Illo es le elemento le quinte plus commun in le universo e compone 0.0018% del atmosphero del Terra.[1] Su peso atomic es ~20.18.[2] Un incolor, inerte gas nobile conforme a conditiones standard,
neon da un distincte rubie-orange brillantia quando usate in o basse voltage lampa neon o in alte voltage tubos discargal o insignias neon pro reclamo.
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[4]
Illo es extrahite commercialmente ab aer, in le qual illo es trovate in amontas tracial.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/8/88/NeTube.jpg/220px-NeTube.jpg)
Fluor ← Neon → Sodium | |
Apparentia | |
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gas incolor, exhibiente un brillantia orange-rubie quando placiava in un campo electric de alte voltage | |
Proprietates atomic | |
Nomine, symbolo, numero | Neon, Ne, 10 |
Serie chimic | gas nobile |
Gruppo, periodo, bloco | 18, 2, p |
Configuration electronic | [He] 2p6 |
Proprietates physic | |
Stato | gas |
Massa molar | 20,1797 g·mol-1 |
Densitate | 0,9002 g/L (0 °C, 101,325 kPa |
Densitate liquide al p.e. | 1,207 g·cm−3 |
Puncto de fusion | 24,56 K, -248,59 °C, -415,46 °F |
Puncto de ebullition | 27,07 K, -246,08 °C, -410.94 °F |
Puncto triple | 24,5561 K, 2,76 MPa |
Puncto critic | 154,59 K, 5,043 MPa |
Calor de fusion | 0,335 kJ·mol-1 |
Calor de vaporisation | 1,71 kJ·mol-1 |
Calor specific | 20,786 J·mol-1·K-1 |
Conductivitate thermal | 49,1×10-3 W·m-1·K-1 |
Velocitate de sono | (gas, 0 °C) 435 m·s−1 |
Valores in unitates SI e in le conditiones normal del material (25 °C, 100 kPa) si non indica al contrario. | |
Vide etiam
modificarReferentias
modificar- ↑ https://www.rsc.org/periodic-table/element/10/neon
- ↑ https://www.rsc.org/periodic-table/element/10/neon
- ↑ Coyle, Harold P. (2001). Project STAR: The Universe in Your Hands, Kendall Hunt, ISBN 978-0-7872-6763-6, p. 464.
- ↑ Shionoya, Shigeo; Yen, William M. (1999). Phosphor Handbook, CRC Press, ISBN 978-0-8493-7560-6, p.940