Àdàkọ:Infobox nẹ́ọ̀nù

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Nẹ́ọ̀nù
10Ne
He

Ne

Ar
fluorínìnẹ́ọ̀nùsódíọ̀mù
Ìhànsójú
colorless gas exhibiting an orange-red glow when placed in a high voltage electric field

Neon gas in a discharge tube, so-called neon light.

Spectral lines of neon in the visible region
Àwọn ìdámọ́ wíwọ́pọ̀
Orúkọ, àmì-ìdámọ́, nọ́mbà nẹ́ọ̀nù, Ne, 10
Ìpèlóhùn /ˈnɒn/
Ẹ̀ka ẹ́límẹ̀nti ẹ̀fúùfù abíire
Ẹgbẹ́, àsìkò, àdìpò 182, p
Ìwúwo átọ́mù 20.1797(6)
Ìtòléra ẹ̀lẹ́ktrónì [He] 2s2 2p6
2, 8
Electron shells of neon (2, 8)
Ìtàn
Ìsọtẹ́lẹ̀ William Ramsay (1897)
Ìwárí William Ramsay & Morris Travers[1] (1898)
Ìyàsọ́tọ̀ àkọ́kọ́ William Ramsay & Morris Travers[2] (1898)
Physical properties
Phase ẹ̀fúùfù
Density (0 °C, 101.325 kPa)
0.9002 g/L
Liquid density at b.p. 1.207[3] g·cm−3
Melting point 24.56 K, -248.59 °C, -415.46 °F
Boiling point 27.07 K, -246.08 °C, -410.94 °F
Triple point 24.5561 K (-249°C), 43[4][5] kPa
Critical point 44.4 K, 2.76 MPa
Heat of fusion 0.335 kJ·mol−1
Heat of vaporization 1.71 kJ·mol−1
Molar heat capacity 5R/2 = 20.786 J·mol−1·K−1
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 12 13 15 18 21 27
Atomic properties
Oxidation states 0
Ionization energies
(more)
1st: 2080.7 kJ·mol−1
2nd: 3952.3 kJ·mol−1
3rd: 6122 kJ·mol−1
Covalent radius 58 pm
Van der Waals radius 154 pm
Miscellanea
Crystal structure face-centered cubic
Nẹ́ọ̀nù has a face-centered cubic crystal structure
Magnetic ordering diamagnetic[6]
Thermal conductivity 49.1x10-3  W·m−1·K−1
Speed of sound (gas, 0 °C) 435 m·s−1
Bulk modulus 654 GPa
CAS registry number 7440-01-9
Àwọn ísótòpù dídúró jùlọ
Main article: Àwọn ísótòpù nẹ́ọ̀nù
iso NA half-life DM DE (MeV) DP
20Ne 90.48% 20Ne is stable with 10 neutrons
21Ne 0.27% 21Ne is stable with 11 neutrons
22Ne 9.25% 22Ne is stable with 12 neutrons
· r

References

  1. Ramsay, William, Travers, Morris W. (1898). "On the Companions of Argon". Proceedings of the Royal Society of London 63 (1): 437–440. doi:10.1098/rspl.1898.0057. 
  2. "Neon: History". Softciências. Retrieved February 27, 2007. 
  3. Hammond, C.R. (2000). The Elements, in Handbook of Chemistry and Physics 81st edition. CRC press. p. 19. ISBN 0849304814. http://www-d0.fnal.gov/hardware/cal/lvps_info/engineering/elements.pdf. 
  4. Preston-Thomas, H. (1990). "The International Temperature Scale of 1990 (ITS-90)". Metrologia 27: 3–10. Bibcode 1990Metro..27....3P. doi:10.1088/0026-1394/27/1/002. http://www.bipm.org/en/publications/its-90.html. 
  5. "Section 4, Properties of the Elements and Inorganic Compounds; Melting, boiling, triple, and critical temperatures of the elements". CRC Handbook of Chemistry and Physics (85th edition ed.). Boca Raton, Florida: CRC Press. 2005. 
  6. Magnetic susceptibility of the elements and inorganic compounds, in Handbook of Chemistry and Physics 81st edition, CRC press.