Template:Infobox neon

Neon, ₁₀Ne

File:Neon discharge tube.jpg
Neon
Appearance	colorless gas exhibiting an orange-red glow when placed in an electric field
Standard atomic weight Ar°(Ne)
	20.1797±0.0006 20.180±0.001 (abridged)
Neon in the periodic table
Hydrogen Helium Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson He ↑ Ne ↓ Ar fluorine ← neon → sodium
Atomic number (Z)	10
Group	group 18 (noble gases)
Period	period 2
Block	p-block
Electron configuration	[He] 2s2 2p6
Electrons per shell	2, 8
Physical properties
Phase at STP	gas
Melting point	24.56 K ​(−248.59 °C, ​−415.46 °F)
Boiling point	27.104 K ​(−246.046 °C, ​−410.883 °F)
Density (at STP)	0.9002 g/L
when liquid (at b.p.)	1.207 g/cm3
Triple point	24.556 K, ​43.37 kPa
Critical point	44.4918 K, 2.7686 MPa
Heat of fusion	0.335 kJ/mol
Heat of vaporization	1.71 kJ/mol
Molar heat capacity	20.79 J/(mol·K)
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	common: (none) 0
Ionization energies	1st: 2080.7 kJ/mol 2nd: 3952.3 kJ/mol 3rd: 6122 kJ/mol (more)
Covalent radius	58 pm
Van der Waals radius	154 pm
Color lines in a spectral range Spectral lines of neon
Other properties
Natural occurrence	primordial
Crystal structure	​face-centered cubic (fcc) (cF4)
Lattice constant	Face-centered cubic crystal structure for neon a = 453.77 pm (at triple point)
Thermal conductivity	49.1×10−3 W/(m⋅K)
Magnetic ordering	diamagnetic
Molar magnetic susceptibility	−6.74×10−6 cm3/mol (298 K)
Bulk modulus	654 GPa
Speed of sound	435 m/s (gas, at 0 °C)
CAS Number	7440-01-9
History
Prediction	William Ramsay (1897)
Discovery and first isolation	William Ramsay & Morris Travers (1898)
Isotopes of neon
Main isotopes Decay abun­dance half-life (t1/2) mode pro­duct 20Ne 90.5% stable 21Ne 0.27% stable 22Ne 9.25% stable

Ne · Neon
F ← ibox F	iso 10 Ne  [] IB-Ne [] IBisos []	→ Na ibox Na
File:Symbol category class.svg cat:Ne (0) File:Symbol category class.svg cat:Ne-isotopes (0) File:Commons-logo.svg Commons File:Wikidata-logo.svg Wikidata:Q654 File:Wiktionary-logo.svg Wiktionary
indexes by PT (page)

child table, as reused in {IB-Ne}
Main isotopes of neon
Main isotopes Decay abun­dance half-life (t1/2) mode pro­duct 20Ne 90.5% stable 21Ne 0.27% stable 22Ne 9.25% stable

Data sets read by {{Infobox element}}
Name and identifiers
Symbol etymology (11 non-trivial)
Top image (caption, alt)	caption: alt:
Pronunciation
Allotropes (overview)
Group (overview)
Period (overview)
Block (overview)
Natural occurrence
Phase at STP
Oxidation states
Spectral lines image
Electron configuration (cmt, ref)
Isotopes
Standard atomic weight
most stable isotope
File:Notification-icon-Wikidata-logo.svg Wikidata
Wikidata *
* Not used in {{Infobox element}} (2023-01-01) See also {{Index of data sets}} · Cat:data sets (0) · (this table: )

References

These references will appear in the article, but this list appears only on this page.

Four of these are named references. They may be cited in the containing article as

• <ref name="CIAAW2013" /> for the source Atomic weights of the elements 2013 (from subtemplates used by {{Infobox element}})
• <ref name="CRC" /> for the source by Hammond
• <ref name="ITS90" /> for the source by Preston-Thomas
• <ref name="b92" /> for the source by Haynes