Template:Infobox hydrogen
{{infobox element
|name =hydrogen
|symbol=H
|Z=1
|number=1
|abundance=
|abundance in earth's crust=
|abundance in oceans=
|abundance in solar system=
|left=(none)
|right=helium
|above=–
|below=Li
|appearance=Colorless gas
|image name=Hydrogen discharge tube.jpg
|image upright=1.35
|electrons per shell=1
|phase=
|phase comment=
|density gplstp=0.08988
|density gpcm3nrt=
|density gpcm3mp=0.07
|density gpcm3mp comment=(solid: 0.0763 g/cm3){{cite book|url=https://books.google.com/books?id=vEwj1WZKThEC&pg=PA240|page=240|title=Inorganic chemistry|author1=Wiberg, Egon |author2=Wiberg, Nils |author3=Holleman, Arnold Frederick |publisher=Academic Press|year=2001|isbn=978-0123526519}}
|density gpcm3bp=0.07099
|melting point prefix=({{chem2|H2}})
|melting point K=13.99
|melting point C=−259.16
|melting point F=−434.49
|sublimation point K=
|sublimation point C=
|sublimation point F=
|boiling point prefix=({{chem2|H2}})
|boiling point K=20.271
|boiling point C=−252.879
|boiling point F=−423.182
|triple point K=13.8033
|triple point kPa=7.041
|critical point K=32.938
|critical point MPa=1.2858
|heat fusion=({{chem2|H2}}) 0.117
|heat fusion 2=
|heat vaporization=({{chem2|H2}}) 0.904
|heat capacity=({{chem2|H2}}) 28.836
|vapor pressure 1=
|vapor pressure 10=
|vapor pressure 100=
|vapor pressure 1 k=
|vapor pressure 10 k=15
|vapor pressure 100 k=20
|vapor pressure comment=
|crystal structure=hexagonal
|crystal structure Pearson symbol=hP4
|lattice constants=a = 378.97 pm
c = 618.31 pm (at triple point){{cite book |last=Arblaster |first= John W. |title=Selected Values of the Crystallographic Properties of Elements |publisher=ASM International |publication-place=Materials Park, Ohio |date=2018 |isbn=978-1-62708-155-9}}
|electronegativity=2.20
|number of ionization energies=1
|ionization energy 1=1312.0
|ionization energy 2=
|ionization energy 3=
|atomic radius=
|atomic radius calculated=
|covalent radius=31±5
|Van der Waals radius=120
|magnetic ordering=diamagnetic{{cite book |url=https://web.archive.org/web/20110303222309/http://www-d0.fnal.gov/hardware/cal/lvps_info/engineering/elementmagn.pdf|chapter=Magnetic susceptibility of the elements and inorganic compounds| editor = Lide, D. R. | title = CRC Handbook of Chemistry and Physics | edition = 86th | location = Boca Raton (FL) | publisher = CRC Press | year = 2005 | isbn = 978-0-8493-0486-6 }}
|electrical resistivity=
|electrical resistivity at 0=
|electrical resistivity at 20=
|thermal conductivity=0.1805
|thermal conductivity 2=
|thermal diffusivity=
|thermal expansion=
|thermal expansion at 25=
|speed of sound=1310
|speed of sound comment=(gas, 27 °C)
|speed of sound rod at 20=
|speed of sound rod at r.t.=
|magnetic susceptibility= {{val|−3.98|e=−6}}
|magnetic susceptibility ref= (298 K){{Cite book|title=CRC, Handbook of Chemistry and Physics|last=Weast|first=Robert|publisher=Chemical Rubber Company Publishing|year=1984|isbn=978-0-8493-0464-4|location=Boca Raton, Florida|pages=E110}}
|tensile strength=
|Young's modulus=
|Shear modulus=
|Bulk modulus=
|Poisson ratio=
|Mohs hardness=
|Vickers hardness=
|Brinell hardness=
|CAS number=12385-13-6
|CAS number comment=
1333-74-0 ({{chem2|H2}})
|naming=name means 'water-former' in Greek
|predicted by=
|prediction date=
|discovery and first isolation by=Henry Cavendish {{cite book| last=Emsley| first=John| title=Nature's Building Blocks| publisher=Oxford University Press| year=2001| location=Oxford| pages=183–191| isbn=978-0-19-850341-5}}{{cite encyclopedia| title=Hydrogen| encyclopedia=Van Nostrand's Encyclopedia of Chemistry| pages=797–799| publisher=Wylie-Interscience| year=2005| isbn=978-0-471-61525-5}}
|discovery date=1766
|named by=Antoine Lavoisier{{cite journal |last1=Miśkowiec |first1=Paweł |title=Name game: The naming history of the chemical elements—part 1—from antiquity till the end of 18th century |journal=Foundations of Chemistry |date=April 2023 |volume=25 |issue=1 |pages=29–51 |doi=10.1007/s10698-022-09448-5 |url=https://link.springer.com/article/10.1007/s10698-022-09448-5}}{{cite book| last=Stwertka| first=Albert| title=A Guide to the Elements| publisher=Oxford University Press| year=1996| pages=16–21| isbn=978-0-19-508083-4}}
|named date=1783
|QID=Q556
}}
{{Infobox element/element navigation|symbol=H}}
{{Template reference list}}
Three of these references are named references. They may be cited in the containing articles as
for the source from Van Nostrand's Encyclopedia for the source from Nature's Building Blocks for the source from A Guide to the Elements
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