Hidroheno

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Hydrogen
1H
- ↑ H ↓ Li Periodic table - ← hydrogen → helium
Panagway
colorless gas Purple glow in its plasma state Spectral lines of hydrogen
Kinatibuk-ang mga kinaiya
Ngalan, simbolo, kaiphan	hydrogen, H, 1
Paglitok	/ˈhaɪdrədʒən/ [[Help:Pronunciation respelling key|Plantilya:Smallcaps all-drə-jən]][1]
Kategoriyang elemento	nonmetal
Group, period, block	1, 1, s
Gibug-aton sa atomo	1.008(1)
Kontorno sa elektron	1s1 1
History
Pagkadiskobre	Henry Cavendish[2][3] (1766)
Named by	Antoine Lavoisier[4] (1783)
Physical properties
Color	colorless
Phase	gas
Density	(0 °C, 101.325 kPa) 0.08988 g/L
Liquid density at m.p.	0.07 (0.0763 solid)[5] 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 (-259°C), 7.042 kPa
Critical point	32.97 K, 1.293 MPa
Heat of fusion	(H2) 0.117 kJ·mol−1
Heat of vaporization	(H2) 0.904 kJ·mol−1
Molar heat capacity	(H2) 28.836 J·mol−1·K−1
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k at T (K) 15 20
Atomic properties
Oxidation states	1, -1 (amphoteric oxide)
Electronegativity	2.20 (Pauling scale)
Ionization energies	1st: 1312.0 kJ·mol−1
Covalent radius	31±5 pm
Van der Waals radius	120 pm
Miscellanea
Crystal structure	hexagonal
Magnetic ordering	diamagnetic[6]
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
Most stable isotopes
Main article: Isotopes of hydrogen
iso NA half-life DM DE (MeV) DP 1H 99.985% 1H is stable with 0 neutrons 2H 0.015% 2H is stable with 1 neutron 3H trace 12.32 y β− 0.01861 3He
v t e · r

Ang hidroheno o idrohena (Iningles hydrogen) mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga H ug kaiphan nga atomik 1. Ang hidroheno mao ang wala puthaw.

1. ↑ Simpson, J.A.; Weiner, E.S.C. (1989). "Hydrogen". Oxford English Dictionary. Vol. 7 (2nd ed.). Clarendon Press. ISBN 0-19-861219-2.
2. ↑ "Hydrogen". Van Nostrand's Encyclopedia of Chemistry. Wylie-Interscience. 2005. pp. 797–799. ISBN 0-471-61525-0.
3. ↑ Emsley, John (2001). Nature's Building Blocks. Oxford: Oxford University Press. pp. 183–191. ISBN 0-19-850341-5.
4. ↑ Stwertka, Albert (1996). A Guide to the Elements. Oxford University Press. pp. 16–21. ISBN 0-19-508083-1.
5. ↑ Wiberg, Egon; Wiberg, Nils; Holleman, Arnold Frederick (2001). Inorganic chemistry. Academic Press. p. 240. ISBN 0123526515.{{cite book}}: CS1 maint: multiple names: authors list (link)
6. ↑ "Magnetic susceptibility of the elements and inorganic compounds". [[CRC Handbook of Chemistry and Physics]] (PDF) (81st ed.). CRC Press. {{cite book}}: URL–wikilink conflict (help)

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