Template:Infobox neon

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fluorine ← neon → sodium He ↑ Ne ↓ Ar 10Ne Periodic table
Appearance
colorless gas
General
Name, symbol, number	neon, Ne, 10
Element category	noble gases
Group, period, block	18, 2, p
Standard atomic weight	20.1797(6) g·mol−1
Electron configuration	1s2 2s2 2p6
Electrons per shell	2, 8 (Image)
Physical properties
Phase	gas
Density	(0 °C, 101.325 kPa) 0.9002 g/L
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[1][2] 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
Specific heat capacity	(25 °C) 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	no data
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
Miscellaneous
Crystal structure	face-centered cubic
Magnetic ordering	diamagnetic[3]
Thermal conductivity	(300 K) 49.1x10-3  W·m−1·K−1
Speed of sound	(gas, 0 °C) 435 m/s
Bulk modulus	654 GPa
CAS registry number	7440-01-9
Most stable isotopes
Main article: Isotopes of neon iso N.A. 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
References
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References