Wikidata

(Q560)

English

helium

chemical element with symbol He and atomic number 2; rare gas

  • He
  • element 2
  • 2He
In more languages
default for all languages
No label defined

No description defined

Statements

subclass of
nonmetal
0 references
s-block
0 references
image
Helium discharge tube.jpg
3,008 × 2,008; 1.29 MB
0 references
named after
Helios
0 references
electronegativity
4.5
0 references
antiparticle
anti-helium
0 references
density
0.1785 kilogram per cubic metre
0 references
melting point
no value
under pressure
1 standard atmosphere
0 references
0.95 kelvin
0 references
−272.05 degree Celsius
0 references
−458 degree Fahrenheit
0 references
boiling point
−452.070 degree Fahrenheit
0 references
−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
0 references

Identifiers

NDL Authority ID
00563132
0 references
NL CR AUT ID
ph503003
subject named as
helium
0 references
ICSC ID
0603
0 references
CAMEO Chemicals ID
3548
0 references
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
0 references
Mindat mineral ID
25563
0 references
ATC code
V03AN03
0 references
MeSH tree code
D01.268.613.350
0 references
D01.362.641.352
0 references
CAB ID
178029
1 reference
stated in
CAB Thesaurus
retrieved
6 April 2020
Lex ID
helium
0 references
KBpedia ID
Helium
1 reference
stated in
KBpedia
retrieved
9 July 2020
NALT ID
44987
0 references
Namuwiki ID
헬륨
0 references
NE.se ID
helium
0 references
PSH ID
5816
0 references
Quora topic ID
Helium
0 references
Treccani ID
elio
subject named as
elio
0 references
USGS Thesaurus ID
1470
0 references
Vikidia article ID
it:Elio
0 references
es:Helio
0 references
fr:Hélium
0 references
WikiKids ID
Helium
0 references
WordNet 3.1 Synset ID
14664099-n
1 reference
stated in
GF WordNet
 
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