Template:Infobox neon

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10 fluorine ← neon → sodium He ↑ Ne ↓ Ar Periodic Table - Extended Periodic Table
General
Name, Symbol, Number	neon, Ne, 10
Chemical series	noble gases
Group, Period, Block	18, 2, p
Appearance	colorless
Standard atomic weight	20.1797(6) g·mol−1
Electron configuration	1s2 2s2 2p6
Electrons per shell	2, 8
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[1] K, 43[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
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
Crystal structure	cubic face centered
Oxidation states	no data
Ionization energies (more)	1st: 2080.7 kJ·mol−1
	2nd: 3952.3 kJ·mol−1
	3rd: 6122 kJ·mol−1
Atomic radius (calc.)	38 pm
Covalent radius	69 pm
Van der Waals radius	154 pm
Miscellaneous
Magnetic ordering	nonmagnetic
Thermal conductivity	(300 K) 49.1 m W·m−1·K−1
Speed of sound	(gas, 0 °C) 435 m/s
CAS registry number	7440-01-9
Selected isotopes
Main article: Isotopes of neon iso NA half-life DM DE (MeV) DP 20Ne 90.48% Ne is stable with 10 neutrons 21Ne 0.27% Ne is stable with 11 neutrons 22Ne 9.25% Ne is stable with 12 neutrons
References
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