neon
Chemical element with symbol Ne and atomic number 10; rare gas that glows reddish-orange in a vacuum discharge tube
Also known as element 10
- Symbol
- Ne
- Atomic number
- 10
- Mass
- 20.1797 Da
1
Sources- 1.Stated in Atomic weights of the elements 2013 (IUPAC Technical Report)Retrieved 2020-10-19
- 20.1797 Da
- Melting point
- -248.6°C
- Boiling point
- -246°C
- Density
- 1.444 g/cm³
- , 1.204 g/cm³
- , 0.9004 kg/m³
- Discovered by
- Discovered
- 1898
Overview
All data
124 statements · 27% with external sources · numbers in brackets are citations
- Speed of sound
- 435 m/s temperature: 0°C · state of matter: gas
1
- 435 m/s temperature: 0°C · state of matter: gas
- Formula
- Ne
1
- Ne
- Canonical SMILES
- [Ne]
1
- [Ne]
- Has characteristic
- colorlessness applies to part: simple substance
- odorlessness applies to part: simple substance
- diamagnetism
- Standard molar entropy
- 146.2 joule per mole kelvin state of matter: gas
- Electron configuration
- 1s² 2s² 2p⁶
- [He] 2s² 2p⁶
- Subclass of
- noble gases follows: helium · followed by: argon
- p-block
- Bulk modulus
- 3.18B Pa
- Shear modulus
- 597M Pa
- Poisson's ratio
- 0.412
- Thermal conductivity
- 0.0491 watt per metre kelvin
- Specific heat capacity
- 1,030.4 joule per kilogram kelvin
- Ionization energy
- 21.5645 eV
1
Sources- 1.“NIST Atomic Spectra Database, Ionization Energies”physics.nist.gov/asdRetrieved 2026-09-18
- 40.963 eV
1
Sources- 1.“NIST Atomic Spectra Database, Ionization Energies”physics.nist.gov/asdRetrieved 2026-09-18
- 63.4233 eV
1
Sources- 1.“NIST Atomic Spectra Database, Ionization Energies”physics.nist.gov/asdRetrieved 2026-09-18
- 21.5645 eV
- Atomic radius
- 160 picometre
- Covalent radius
- 58 picometre
- Van der Waals radius
- 154 picometre
On other databases
68 identifiers linking neon across the web's reference databases
- Arabic Ontology lexical concept ID151078498
- Art & Architecture Thesaurus ID300180393
- ASHRAE refrigerant number720
- Australian Educational Vocabulary IDscot/3546
- BabelNet ID00006824n
- Bibliothèque nationale de France ID121448923
- BNCF Thesaurus ID37399
- Brockhaus Enzyklopädie online IDneon-20
- CAMEO Chemicals ID4018
- CAS Registry Number7440-01-9
- ChEBI ID33310
- ChemSpider ID22377
- COD ID9011705
- Dewey Decimal Classification665.822
- DrugBank IDDB11589
- DSSTOX compound identifierDTXCID2047642
- DSSTox substance IDDTXSID0064678
- EC number231-110-9
- ECHA Substance Infocard ID100.028.282
- Encyclopædia Britannica Online IDscience/neon-chemical-element
- Encyclopædia Universalis IDneon
- Encyclopedia of China (Third Edition) ID (2026)1FyMyd
- Encyclopedia of China (Third Edition) old ID (2021)298838
- Freebase ID/m/025s4r0
- GND ID4171442-8
- Golden ID (archived)Neon-RXRV
- Great Norwegian Encyclopedia IDneon
- Great Russian Encyclopedia portal IDneon-5c49f5
- Hrvatska enciklopedija IDneon
- HSDB ID7916
- ICSC ID0627
- InChIInChI=1S/Ne
- InChIKeyGKAOGPIIYCISHV-UHFFFAOYSA-N
- Interlingual Index IDi113969
- J9U entity ID987007565537805171
- JSTOR topic ID (archived)neon
- KBpedia IDNeon
- Larousse IDdivers/néon/73013
- Latvian National Encyclopedia Online ID112329
- Lex IDneon
- Library of Congress Authorities IDsh85090790
- MeSH descriptor IDD009356
- MeSH tree codeD01.268.613.600
- Microsoft Academic ID (discontinued)522602180
- Namuwiki ID네온
- National Library of Poland MMS ID9810599053405606
- NDL Authority ID00575299
- NicoNicoPedia word article IDネオン
- OmegaWiki Defined Meaning159119
- OpenAlex IDC522602180
- Probes And Drugs IDPD060960
- PSH ID5817
- PubChem CID23935
- Quora topic IDNeon
- Römpp online IDRD-14-00763
- RxNorm CUI7301
- ScienceDirect topic IDchemistry/neon
- SureChEMBL ID26396
- Treccani IDneon
- UMLS CUIC0027608
- UniChem compound ID1099873
- UNII4VB4Y46AHD
- USGS Thesaurus ID1517
- Vikidia article IDit:Neon
- WordNet 3.1 Synset ID14670330-n
- Yale LUX IDconcept/0364f2ed-20f8-4c8b-a629-d10b8a17a37a
- YSO ID20228
- ZVG number7100