helium (Q560)

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chemical element with symbol He and atomic number 2; rare gas
  • He
  • element 2
  • 2He
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Language Label Description Also known as
English
helium
chemical element with symbol He and atomic number 2; rare gas
  • He
  • element 2
  • 2He

Statements

subclass of
nonmetal
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s-block
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image
Helium discharge tube.jpg
3,008 × 2,008; 1.29 MB
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named after
Helios
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electronegativity
4.5
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antiparticle
anti-helium
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density
0.1785 kilogram per cubic metre
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melting point
no value
under pressure
1 standard atmosphere
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0.95 kelvin
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−272.05 degree Celsius
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−458 degree Fahrenheit
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boiling point
−452.070 degree Fahrenheit
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−268.9 degree Celsius
under pressure
1 standard atmosphere
1 reference
imported from Wikimedia project
French Wikipedia
speed of sound
180±1 metre per second
temperature
−268.9±0.1 degree Celsius
phase of matter
liquid
1 reference
stated in
CRC Handbook of Chemistry and Physics (78th edition)
page(s)
14-37
965±1 metre per second
temperature
0±1 degree Celsius
phase of matter
gas
1 reference
stated in
CRC Handbook of Chemistry and Physics (78th edition)
page(s)
14-37
refractive index
1.000036
temperature
0 degree Celsius
under pressure
1 standard atmosphere
wavelength
589.29 nanometre
1 reference
imported from Wikimedia project
list of refractive indices
French Wikipedia
Commons category
Helium
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Identifiers

NDL Authority ID
00563132
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NL CR AUT ID
ph503003
subject named as
helium
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ICSC ID
0603
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CAMEO Chemicals ID
3548
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HSDB ID
553
1 reference
stated in
Hazardous Substances Data Bank
HSDB ID
553
publication date
28 October 2019
title
HELIUM (English)
retrieved
10 May 2021
E number
E939
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Mindat mineral ID
25563
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ATC code
V03AN03
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MeSH tree code
D01.268.613.350
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D01.362.641.352
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CAB ID
178029
1 reference
stated in
CAB Thesaurus
retrieved
6 April 2020
Lex ID
helium
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KBpedia ID
Helium
1 reference
stated in
KBpedia
retrieved
9 July 2020
NALT ID
44987
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Namuwiki ID
헬륨
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NE.se ID
helium
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PSH ID
5816
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Quora topic ID
Helium
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Treccani ID
elio
subject named as
elio
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USGS Thesaurus ID
1470
0 references
Vikidia article ID
it:Elio
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es:Helio
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fr:Hélium
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WikiKids ID
Helium
0 references
WordNet 3.1 Synset ID
14664099-n
1 reference
stated in
GF WordNet
 
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