ഫലകം:Infobox hydrogen

ഹൈഡ്രജൻ, ₀₀H
	Purple glow in its plasma state
ഹൈഡ്രജൻ
Appearance	colorless gas
Standard atomic weight Ar°(H)
	ഫലകം:Infobox element/standard atomic weight format
ഹൈഡ്രജൻ in the periodic table
	– ← ഹൈഡ്രജൻ → helium
Group	group 1: hydrogen and alkali metals
Period	period 1
Block	s-block
Electron configuration	1s1
Electrons per shell	1
Physical properties
Phase at STP	gas
Melting point	(H2) 13.99 K (−259.16 °C, −434.49 °F)
Boiling point	(H2) 20.271 K (−252.879 °C, −423.182 °F)
Density (at STP)	0.08988 g/L
when liquid (at m.p.)	0.07 g/cm3 (solid: 0.0763 g/cm3)
when liquid (at b.p.)	0.07099 g/cm3
Triple point	13.8033 K, 7.041 kPa
Critical point	32.938 K, 1.2858 MPa
Heat of fusion	(H2) 0.117 kJ/mol
Heat of vaporization	(H2) 0.904 kJ/mol
Molar heat capacity	(H2) 28.836 J/(mol·K)
Atomic properties
Oxidation states	−1, +1 (an amphoteric oxide)
Electronegativity	Pauling scale: 2.20
Ionization energies	1st: 1312.0 kJ/mol ; ;
Covalent radius	31±5 pm
Van der Waals radius	120 pm
	Spectral lines of ഹൈഡ്രജൻ
Other properties
Natural occurrence	primordial
Crystal structure	hexagonal
Speed of sound	1310 m/s (gas, 27 °C)
Thermal conductivity	0.1805 W/(m⋅K)
Magnetic ordering	diamagnetic
Molar magnetic susceptibility	−3.98·10−6 cm3/mol (298 K)
CAS Number	12385-13-6 ; 1333-74-0 (H2)
History
Discovery	Henry Cavendish (1766)
Named by	Antoine Lavoisier (1783)
Isotopes of ഹൈഡ്രജൻ ക; തി;
	Template:infobox ഹൈഡ്രജൻ isotopes does not exist
	വർഗ്ഗം: ഹൈഡ്രജൻ; view; talk; edit; \| references

H · Hydrogen
	^iso H E infobox E isobox	→ H ibox H
[[:Category:\|cat:H]] (0) cat:H-isotopes (0) Commons Wikidata: Wiktionary
indexes by PT (page) ക തി

Data sets read by {{Infobox element}}
Name and identifiers	view edit
Top image	view edit
image caption	view edit
image alt	view edit
Pronunciation	view edit
Category (enwiki)	view edit
Standard atomic weight	view edit
most stable isotope	view edit
Oxidation states	view edit
Spectral lines image	view edit

References

↑ Wiberg, Egon; Wiberg, Nils; Holleman, Arnold Frederick (2001). Inorganic chemistry. Academic Press. p. 240. ISBN 978-0123526519.
↑ Lide, D. R., ed. (2005). "Magnetic susceptibility of the elements and inorganic compounds". CRC Handbook of Chemistry and Physics (PDF) (86th ed.). Boca Raton (FL): CRC Press. ISBN 978-0-8493-0486-6.
↑ Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 978-0-8493-0464-4.
↑ "Hydrogen". Van Nostrand's Encyclopedia of Chemistry. Wylie-Interscience. 2005. pp. 797–799. ISBN 978-0-471-61525-5.
↑ Emsley, John (2001). Nature's Building Blocks. Oxford: Oxford University Press. pp. 183–191. ISBN 978-0-19-850341-5.
↑ Stwertka, Albert (1996). A Guide to the Elements. Oxford University Press. pp. 16–21. ISBN 978-0-19-508083-4.

Three of these references are named references. They may be cited in the containing articles as

<ref name="Nostrand" /> for the source from Van Nostrand's Encyclopedia
<ref name="nbb" /> for the source from Nature's Building Blocks
<ref name="Stwertka" /> for the source from A Guide to the Elements

ഫലകം:വിവരണം/ഭാഗം

[1] Wiberg, Egon; Wiberg, Nils; Holleman, Arnold Frederick (2001). Inorganic chemistry. Academic Press. p. 240. ISBN 978-0123526519.

[2] Lide, D. R., ed. (2005). "Magnetic susceptibility of the elements and inorganic compounds". CRC Handbook of Chemistry and Physics (PDF) (86th ed.). Boca Raton (FL): CRC Press. ISBN 978-0-8493-0486-6.

[3] Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 978-0-8493-0464-4.

[Nostrand-4] "Hydrogen". Van Nostrand's Encyclopedia of Chemistry. Wylie-Interscience. 2005. pp. 797–799. ISBN 978-0-471-61525-5.

[nbb-5] Emsley, John (2001). Nature's Building Blocks. Oxford: Oxford University Press. pp. 183–191. ISBN 978-0-19-850341-5.

[Stwertka-6] Stwertka, Albert (1996). A Guide to the Elements. Oxford University Press. pp. 16–21. ISBN 978-0-19-508083-4.

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