ହିଲିୟମ
chemical element with symbol He and atomic number 2; rare gas
ଦୃଷ୍ଟାନ୍ତ
mass
ନାମରେ ନାମିତ
Helios
spoken text audio
କାମ ବା ନାମର ଭାଷା: ଇଂରାଜୀ ଭାଷା
ଆବିଷ୍କାରକ ବା ଉଦ୍ଭାବକ
Pierre Janssen
Norman Lockyer
ଆବିଷ୍କାର ତାରିଖ: 1868
ଆବିଷ୍କାର ତାରିଖ
conjugate acid
hydridohelium(1+)
element symbol
He[୨୭]
chemical formula
He[୧୧]
canonical SMILES
[He][୧୧]
atomic number
୨[୨୭]
electron configuration
1s²
electronegativity
୪.୫
antiparticle
anti-helium
standard molar entropy
density
୦.୧୭୮୫ kilogram per cubic metre
ଗଳନାଙ୍କ
−୨୭୨.୦୫ degree Celsius
boiling point
−୨୬୮.୯ degree Celsius
under pressure: ୧ standard atmosphere
speed of sound
refractive index
୧.୦୦୦୦୩୬
under pressure: ୧ standard atmosphere
wavelength: ୫୮୯.୨୯ nanometre
temperature: ୦ degree Celsius
by-product of
natural-gas processing
described by source
Armenian Soviet Encyclopedia
Great Soviet Encyclopedia (1926–1947)
କାହାର ବିଷୟ: Q100606313
Brockhaus and Efron Encyclopedic Dictionary
କାହାର ବିଷୟ: Q24395319
Small Brockhaus and Efron Encyclopedic Dictionary
କାହାର ବିଷୟ: Q24758862
Ottův slovník naučný
କାହାର ବିଷୟ: Q113134678, Q113470778
Encyclopædia Britannica 11th edition
କାହାର ବିଷୟ: 1911 Encyclopædia Britannica/Helium
Granat Encyclopedic Dictionary
କାହାର ବିଷୟ: Q119834199
has characteristic
colorlessness
ର: simple substance
tastelessness
ର: simple substance
odorlessness
ର: simple substance
on focus list of Wikimedia project
Wikipedia:Vital articles/Level/4
ନିର୍ଦ୍ଦିଷ୍ଟ ସମୟ: ୩୧ ଅକ୍ଟୋବର 2022
Stack Exchange tag
different from
Hel
କମନ୍ସ ଶ୍ରେଣୀ
Helium
ବିଷୟର ମୁଖ୍ୟ ଶ୍ରେଣୀ
Category:Helium
ଆଧାର
- ↑ ୧.୦ ୧.୧ ୧.୨ ୧.୩ ୧.୪ ୧.୫ Global Substance Registration System, ୧୮ ନଭେମ୍ବର 2016, ଇଂରାଜୀ ଭାଷା, helium, 206GF3GB41
- ↑ CAS Common Chemistry, ୧୦ ଅପ୍ରେଲ 2021, SWQJXJOGLNCZEY-UHFFFAOYSA-N, https://commonchemistry.cas.org/detail?cas_rn=7440-59-7
- ↑ ୩.୦ ୩.୧ ChEMBL, ୧୮ ନଭେମ୍ବର 2016, ଇଂରାଜୀ ଭାଷା, HELIUM, CHEMBL1796997
- ↑ BBC Things
- ↑ inferred from InChIKey
- ↑ National Central Library of Florence
- ↑ ECHA Substance Infocard database, ୨୭ ଡିସେମ୍ବର 2018, 100.028.334, Helium, CAS no.: 7440-59-7
- ↑ https://www.ashrae.org/technical-resources/standards-and-guidelines/ashrae-refrigerant-designations, ୧୫ ଫେବୃଆରୀ 2018
- ↑ ୯.୦ ୯.୧ UniChem
- ↑ Freebase Data Dumps, ୨୮ ଅକ୍ଟୋବର 2013
- ↑ ୧୧.୦ ୧୧.୧ ୧୧.୨ ୧୧.୩ ୧୧.୪ PubChem, ୧୮ ନଭେମ୍ବର 2016, ଇଂରାଜୀ ଭାଷା, 23987, HELIUM
- ↑ YSO-Wikidata mapping project
- ↑ Hazardous Substances Data Bank, ୧୦ ମଇ 2021, ୨୮ ଅକ୍ଟୋବର 2019, HELIUM, 553
- ↑ ୧୪.୦ ୧୪.୧ OpenAlex, ୨୬ ଜାନୁଆରୀ 2022, https://docs.openalex.org/download-snapshot/snapshot-data-format
- ↑ CAB Thesaurus, ୬ ଅପ୍ରେଲ 2020
- ↑ ChEBI release 2020-09-01
- ↑ Mapping file of InChIStrings, InChIKeys and DTXSIDs for the EPA CompTox Dashboard
- ↑ KBpedia, ୯ ଜୁଲାଇ 2020
- ↑ ୧୦ ସେପ୍ଟେମ୍ବର 2022, https://golden.com/wiki/Helium-K8NB
- ↑ DrugBank, ୧୮ ନଭେମ୍ବର 2016, ଇଂରାଜୀ ଭାଷା, 09155, Helium
- ↑ National Library of Israel
- ↑ ChemSpider, ୧୮ ନଭେମ୍ବର 2016, ଇଂରାଜୀ ଭାଷା, 22423, Helium
- ↑ GF WordNet
- ↑ nuclear reactor
- ↑ Atomic weights of the elements 2013 (IUPAC Technical Report), ୧୯ ଅକ୍ଟୋବର 2020
- ↑ Q24395319
- ↑ ୨୭.୦ ୨୭.୧ Atomic weights of the elements 2009 (IUPAC Technical Report)
- ↑ https://chem.libretexts.org/Bookshelves/General_Chemistry/Book%3A_ChemPRIME_(Moore_et_al.)/16%3A_Entropy_and_Spontaneous_Reactions/16.06%3A_Standard_Molar_Entropies, ୨୫ ଜାନୁଆରୀ 2019
- ↑ ୨୯.୦ ୨୯.୧ CRC Handbook of Chemistry and Physics (78th edition), 14-37