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setup>Monkbot: Task 18 (cosmetic) (manual): eval 6 templates: del empty params (2×);

2020-12-16T00:22:32Z

Task 18 (cosmetic) (manual): eval 6 templates: del empty params (2×);

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{{infobox element
|name=hydrogen
|symbol=H
|number=1
|abundance=
|abundance in earth's crust=
|abundance in oceans=
|abundance in solar system=
|left=–
|right=[[helium]]
|above=–
|below=[[Lithium|Li]]
|category comment=
|group=1
|period=1
|block=s
|appearance=colorless gas
|image name=Hydrogen discharge tube.jpg
|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)<ref>{{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}}</ref>
|density gpcm3bp=0.07099
|melting point prefix=(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=(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=(H2) 0.117
|heat fusion 2=
|heat vaporization=(H2) 0.904
|heat capacity=(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
|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]]<ref>{{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 }}
</ref>
|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= −3.98·10−6
|magnetic susceptibility ref= (298 K)<ref>{{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}}</ref>
|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 (H2)
|isotopes=
{{Infobox element/isotopes stable| mn=1 | sym=H | na=99.98% | n=0 |link=Hydrogen atom |firstlinks=yes}}
{{Infobox element/isotopes stable| mn=2 | sym=H | na=0.02% | n=1 | link=Deuterium |firstlinks=no}}
{{Infobox element/isotopes decay| mn=3 | sym=H | na=[[trace radioisotope|trace]] | hl=12.32 y | dm=[[beta minus decay|β−]] | de=0.01861 | link1=helium-3 | pn=3 | ps=He | link=Tritium }}
|predicted by=
|prediction date=
|discovered by=[[Henry Cavendish]]<ref name="Nostrand">{{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}}</ref><ref name="nbb">{{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}}</ref>
|discovery date=1766
|named by=[[Antoine Lavoisier]]<ref name="Stwertka">{{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}}</ref>
|named date=1783
|history comment label=
|history comment=
|QID=Q556
}}<noinclude>
{{Infobox element/element navigation|symbol=H}}
{{Template reference list}}
Three of these references are [[WP:REFNAME|named references]]. They may be cited in the containing articles as
*<nowiki><ref name="Nostrand" /></nowiki> for the source from ''Van Nostrand's Encyclopedia''
*<nowiki><ref name="nbb" /></nowiki> for the source from ''Nature's Building Blocks''
*<nowiki><ref name="Stwertka" /></nowiki> for the source from ''A Guide to the Elements''
{{documentation|1=Template:Infobox element/doc}}
[[Category:Templates that generate named references]]
</noinclude>

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