Template:Element color

Hydrogen
	1H
	-; ↑; H; ↓; Li
	- ← hydrogen → helium
	Hydrogen in the periodic table
Appearance
	colorless gas; ; Purple glow in its plasma state; ; Spectral lines of hydrogen
General properties
Name, symbol, number	hydrogen, H, 1
Pronunciation	/ˈhaɪdrədʒən/ HY-drə-jən
Element category	diatomic nonmetal
Group, period, block	Template:Infobox element/group, 1, s
Standard atomic weight	1.007947(1)
Electron configuration	1s1; 1
Physical properties
Template:Engvar	colorless
Phase	gas
Density	(0 °C, 101.325 kPa); 0.08988 g/L
Liquid density at m.p.	0.07 (0.0763 solid) g·cm−3
Liquid density at b.p.	0.07099 g·cm−3
Melting point	14.01 K, -259.14 °C, -434.45 °F
Boiling point	20.28 K, -252.87 °C, -423.17 °F
Triple point	13.8033 K, 7.042 kPa
Critical point	32.97 K, 1.293 MPa
Heat of fusion	(H2) 0.117 kJ·mol−1
[[Enthalpy of vaporization\|Heat of Template:Engvar]]	(H2) 0.904 kJ·mol−1
Molar heat capacity	(H2) 28.836 J·mol−1·K−1
[[Vapor pressure\|Template:Engvar pressure]]
Atomic properties
Oxidation states	1, -1; (amphoteric oxide)
Electronegativity	2.20 (Pauling scale)
[[ionization energy\| Template:Engvar energies]]	1st: 1312.0 kJ·mol−1
Covalent radius	31±5 pm
Van der Waals radius	120 pm
Miscellanea
Crystal structure	Template:Infobox element/crystal structure wikilink
Magnetic ordering	diamagnetic
Thermal conductivity	0.1805 W·m−1·K−1
Speed of sound	(gas, 27 °C) 1310 m·s−1
CAS registry number	1333-74-0
History
Discovery	Henry Cavendish (1766)
Named by	Antoine Lavoisier (1783)
Most stable isotopes
	Main article: Isotopes of hydrogen
	v; t; e; · references

Template documentation[view] [edit] [history] [purge]

Atomic number 119 and above

When the atomic number is ≥ 119, the miniature periodic table shows an extended version (period 8). See for example {{infobox ununennium}}.

Hydrogen example

Bare parameters

{{infobox element
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<!-- PHYSICAL PROPERTIES -->
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|triple point K 2=
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|heat fusion=
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<!-- MISCELLANEA -->
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|thermal conductivity=
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|thermal expansion=
|thermal expansion at 25=
|speed of sound=
|speed of sound rod at 20=
|speed of sound rod at r.t.=
|Tensile strength=
|Young's modulus=
|Shear modulus=
|Bulk modulus=
|Poisson ratio=
|Mohs hardness=
|Vickers hardness=
|Brinell hardness=
|CAS number=
<!-- ISOTOPES -->
|isotopes=
<!-- see subtemplates -->
|isotopes comment=
<!-- WP:ENGVAR (currently used for P only) -->
|engvar=
<!-- HISTORY -->
|naming=
|predicted by=
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|discovered by=
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|first isolation by=
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}}

Subtemplates used

Isotopes

Isotopes subtemplates are to be entered by the editor:

{{infobox element/isotopes stable}}
{{infobox element/isotopes decay}}
{{Infobox element/isotopes decay2}}
{{Infobox element/isotopes decay3}}
{{Infobox element/isotopes decay3 (2 2 1)}}
{{Infobox element/isotopes decay4}}

Other

All other subtemplates are used inplicitly (automatically):

Headers:

{{infobox element/headers}}

Periodic table graph:

{{Periodic table (32 columns, micro)}}
- {{Periodic table (32 columns, micro)/119+}}
- {{Periodic table (32 columns, micro)/elementcell}}

Data:

{{infobox element/crystal structure wikilink}}
{{infobox element/crystal structure image}}
{{infobox element/group}}

Language and pronouciation:

{{engvar}}
{{IPAc-en}}
{{IPAc-en/pronunciation}}
{{respell}}

Template technical:

{{main other}}
{{template other}}
{{!}}

References

These references will appear in the article, but this list appears only on this page.

↑ Simpson, J.A.; Weiner, E.S.C. (1989). "Hydrogen". Oxford English Dictionary. 7 (2nd ed.). Clarendon Press. ISBN 0-19-861219-2.
↑ Wiberg, Egon; Wiberg, Nils; Holleman, Arnold Frederick (2001). Inorganic chemistry. Academic Press. p. 240. ISBN 0123526515. http://books.google.com/books?id=vEwj1WZKThEC&pg=PA240.
↑ "Magnetic susceptibility of the elements and inorganic compounds". CRC Handbook of Chemistry and Physics (81st ed.). CRC Press. http://www-d0.fnal.gov/hardware/cal/lvps_info/engineering/elementmagn.pdf.
↑ "Hydrogen". Van Nostrand's Encyclopedia of Chemistry. Wylie-Interscience. 2005. pp. 797–799. ISBN 0-471-61525-0.
↑ Emsley, John (2001). Nature's Building Blocks. Oxford: Oxford University Press. pp. 183–191. ISBN 0-19-850341-5.
↑ Stwertka, Albert (1996). A Guide to the Elements. Oxford University Press. pp. 16–21. ISBN 0-19-508083-1.

The above documentation is transcluded from Template:Element color/doc.
Editors can experiment in this template's sandbox and testcases pages.
Add categories to the /doc subpage. Subpages of this template.

[1] Simpson, J.A.; Weiner, E.S.C. (1989). "Hydrogen". Oxford English Dictionary. 7 (2nd ed.). Clarendon Press. ISBN 0-19-861219-2.

[2] Wiberg, Egon; Wiberg, Nils; Holleman, Arnold Frederick (2001). Inorganic chemistry. Academic Press. p. 240. ISBN 0123526515. http://books.google.com/books?id=vEwj1WZKThEC&pg=PA240.

[3] "Magnetic susceptibility of the elements and inorganic compounds". CRC Handbook of Chemistry and Physics (81st ed.). CRC Press. http://www-d0.fnal.gov/hardware/cal/lvps_info/engineering/elementmagn.pdf.

[Nostrand-4] "Hydrogen". Van Nostrand's Encyclopedia of Chemistry. Wylie-Interscience. 2005. pp. 797–799. ISBN 0-471-61525-0.

[nbb-5] Emsley, John (2001). Nature's Building Blocks. Oxford: Oxford University Press. pp. 183–191. ISBN 0-19-850341-5.

[Stwertka-6] Stwertka, Albert (1996). A Guide to the Elements. Oxford University Press. pp. 16–21. ISBN 0-19-508083-1.

[1]