ଛାଞ୍ଚ:Infobox hydrogen

ଉଇକିପିଡ଼ିଆ ରୁ
Hydrogen
1H
-

H

Li
- ← hydrogenhelium
ଭୌତିକ ରୁପ
colorless gas

Purple glow in its plasma state

Spectral lines of hydrogen
ସାଧାରଣ ଧର୍ମ
ନାମ, ପ୍ରତୀକ,
ପରମାଣୁ କ୍ରମାଙ୍କ
hydrogen, H,
1
ଉଚ୍ଚାରଣ /ˈhdrəən/ hy-drə-jən[୧]
ମୌଳିକ ପ୍ରକାର nonmetal
ଶ୍ରେଣୀ, ପର୍ଯ୍ୟାୟ, ବ୍ଲକ୍ 1, 1, s
ମାନକ ପରମାଣବିକ ଓଜନ 1.008(1)
ଇଲେକ୍‌ଟ୍ରୋନ୍ ବିନ୍ୟାସ 1s1
1
Electron shells of hydrogen (1)
ଇତିହାସ
ଆବିଷ୍କାର Henry Cavendish[୨][୩] (1766)
ନାମକରଣ Antoine Lavoisier[୪] (1783)
ଭୌତିକ ଧର୍ମ
ରଙ୍ଗ colorless
ଅବସ୍ଥା gas
ଘନତା (0 °C, 101.325 kPa)
0.08988 g/L
Liquid density at m.p. 0.07 (0.0763 solid)[୫] g·cm−3
Liquid density at b.p. 0.07099 g·cm−3
ଗଳନାଙ୍କ 14.01 K, -259.14 °C, -434.45 °F
ସ୍ଫୁଟନାଙ୍କ 20.28 K, -252.87 °C, -423.17 °F
Triple point 13.8033 K (-259°C), 7.042 kPa
କ୍ରିଟିକାଲ୍ ପଏଣ୍ଟ 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[୬]
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
· r

References

  1. Simpson, J.A.; Weiner, E.S.C. (1989). "Hydrogen". Oxford English Dictionary. 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. ପୃଷ୍ଠା. 183–191. ISBN 0-19-850341-5. 
  4. Stwertka, Albert (1996). A Guide to the Elements. Oxford University Press. ପୃଷ୍ଠା. 16–21. ISBN 0-19-508083-1. 
  5. Wiberg, Egon; Wiberg, Nils; Holleman, Arnold Frederick (2001). Inorganic chemistry. Academic Press. ପୃଷ୍ଠା. 240. ISBN 0123526515. http://books.google.com/books?id=vEwj1WZKThEC&pg=PA240. 
  6. "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.