ᱦᱟᱭᱰᱨᱳᱡᱟᱱ

ᱪᱷᱟᱸᱪ:Testcases other

Hydrogen,  1H
ᱦᱟᱭᱰᱨᱳᱡᱟᱱ
Purple glow in its plasma state
Hydrogen
Appearancecolorless gas
Standard atomic weight Ar, std(H)[1.007841.00811] conventional: 1.008
Hydrogen in the periodic table
Hydrogen Helium
Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon
Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon
Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton
Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon
Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon
Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson


H

Li
– ← hydrogen → helium
Atomic number (Z)1
Group1: H and alkali metals
Periodperiod 1
Blocks-block
Element category  Reactive nonmetal
Electron configuration1s1
Electrons per shell
1
Physical properties
Phase at STPgas
Melting point13.99 K ​(−259.16 °C, ​−434.49 °F)
Boiling point20.271 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 point13.8033 K, ​7.041 kPa
Critical point32.938 K, 1.2858 MPa
Heat of fusion(H2) 0.117 kJ/mol
Heat of (H2) 0.904 kJ/mol
Molar heat capacity(H2) 28.836 J/(mol·K)
 pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 15 20
Atomic properties
Oxidation states−1, +1 (an amphoteric oxide)
ElectronegativityPauling scale: 2.20
energies
  • 1st: 1312.0 kJ/mol
Covalent radius31±5 pm
Van der Waals radius120 pm
Color lines in a spectral range
Spectral lines of hydrogen
Other properties
Natural occurrenceprimordial
Crystal structure ​hexagonal
Hexagonal crystal structure for hydrogen
Speed of sound1310 m/s (gas, 27 °C)
Thermal conductivity0.1805 W/(m·K)
Magnetic orderingdiamagnetic
Magnetic susceptibility−3.98·10−6 cm3/mol (298 K)
CAS Number12385-13-6
1333-74-0 (H2)
History
DiscoveryHenry Cavendish (1766)
Named byAntoine Lavoisier (1783)
Main isotopes of hydrogen
Iso­tope Abun­dance Half-life (t1/2) Decay mode Pro­duct
1H 99.98% stable
2H 0.02% stable
3H trace 12.32 y β 3He
| references

ᱦᱟᱭᱰᱨᱳᱡᱟᱱ ᱫᱚ ᱢᱤᱫ ᱠᱮᱢᱤᱠᱟᱞ ᱤᱞᱤᱢᱮᱱᱴ ᱠᱟᱱᱟ ᱱᱚᱶᱟ ᱨᱮᱱᱟᱜ ᱠᱷᱟᱴᱚ ᱪᱤᱛᱟᱹᱨ ᱫᱚ H ᱠᱟᱱᱟ ᱟᱨ ᱱᱚᱶᱟ ᱨᱮᱱᱟᱜ ᱮᱴᱳᱢᱤᱠ ᱞᱮᱠᱷᱟ ᱫᱚ ᱑ ᱠᱟᱱᱟ ᱾ ᱱᱚᱶᱟ ᱨᱮᱱᱟᱜ ᱦᱟᱢᱟᱞ ᱑ᱹ᱐᱐᱘ ᱠᱟᱱᱟ, ᱦᱟᱭᱰᱨᱳᱡᱟᱱ ᱫᱚ ᱯᱮᱨᱤᱭᱳᱰᱤᱠ ᱴᱮᱵᱟᱞ ᱨᱮᱱᱟᱜ ᱥᱟᱱᱟᱢ ᱠᱷᱚᱱ ᱪᱮᱛᱟᱱ ᱤᱞᱤᱢᱮᱱᱴ ᱠᱟᱱᱟ ᱾ ᱦᱟᱭᱰᱨᱳᱡᱟᱱ ᱫᱚ ᱠᱚᱱᱥᱴᱤᱴᱭᱩᱴᱤᱝ ᱨᱮᱯᱷᱞᱤ ᱨᱮ ᱗᱕% ᱠᱮᱢᱤᱠᱟᱞ ᱥᱟᱵᱽᱥᱴᱟᱱᱥ ᱨᱮᱱᱟᱜ ᱵᱟᱨᱭᱳᱱᱤᱠ ᱢᱟᱥ ᱠᱟᱱᱟ ᱾

H+

ᱛᱟᱦᱮᱱᱟ

ᱱᱚᱶᱟ ᱫᱚ ᱡᱟᱦᱟᱸ ᱨᱮᱜᱮ ᱦᱟᱭᱰᱨᱳᱡᱟᱱ ᱢᱟᱨᱟᱝ ᱥᱟᱨᱮᱡ ᱢᱚᱛᱨᱚ ᱨᱮ ᱫᱟ ᱦᱚᱭ ᱨᱮ ᱧᱟᱢᱚᱜᱚᱜ ᱠᱟᱱᱟ ᱾ ᱪᱮᱛᱟᱱ ᱦᱚᱭ ᱨᱮ ᱱᱚᱶᱟ ᱨᱮᱱᱟᱜ ᱢᱚᱛᱨᱚ ᱟᱱᱟ ᱠᱷᱚᱱ ᱦᱚᱸ ᱵᱟᱹᱲᱛᱤ ᱛᱟᱦᱮᱱ ᱠᱟᱱᱟ ᱾ ᱥᱤᱧ ᱪᱟᱸᱫᱚ ᱣᱟᱜ ᱯᱚᱨᱤᱢᱟᱱᱰᱮᱨ ᱨᱮ ᱱᱚᱶᱟ ᱨᱮᱱᱟᱜ ᱵᱟᱹᱲᱛᱤ ᱢᱮᱱᱟᱜᱼᱟ ᱾ ᱫᱷᱟᱹᱨᱛᱤ ᱨᱮ ᱥᱮᱞᱮᱫ ᱫᱚᱥᱟ ᱨᱮ ᱱᱚᱶᱟ ᱫᱟᱜ, ᱫᱟᱨᱮ, ᱡᱤᱭᱟᱞᱤ ᱴᱤᱥᱩ, ᱠᱟᱥᱴᱷ, ᱟᱱᱟᱡᱽ, ᱥᱩᱱᱩᱢ, ᱯᱷᱮᱴᱥ, ᱯᱮᱴᱨᱳᱞᱤᱭᱚᱢ, ᱥᱟᱱᱟᱢ ᱡᱤᱣᱮᱫ ᱢᱮᱴᱟᱨ ᱨᱮ ᱧᱟᱢᱚᱜᱚᱜᱼᱟ ᱾ ᱮᱥᱤᱰ ᱨᱮᱱᱟᱜ ᱱᱚᱶᱟ ᱞᱟᱠᱛᱤᱭᱟᱱ ᱜᱷᱟᱴᱚᱠ ᱠᱚ ᱠᱟᱱᱟ ᱾ ᱵᱮᱥ (Base) ᱟᱨ ᱳᱨᱜᱮᱱᱤᱠ ᱠᱚᱢᱯᱣᱩᱱᱰ ᱨᱮ ᱦᱚᱸ ᱱᱚᱶᱟ ᱧᱟᱢᱚᱜᱚᱜ ᱠᱟᱱᱟ ᱾

ᱨᱤᱭᱮᱠᱥᱚᱱ ᱨᱮᱱᱟᱜ ᱛᱟᱞᱠᱟ

H2+Cl2 -> 2HCl
2H2+O2 -> 2H2O

ᱯᱨᱳᱥᱮᱥ

Hydrogen spectrum test

ᱱᱮᱪᱩᱨᱟᱞ ᱜᱮᱥ ᱫᱚ ᱞᱚᱞᱚ ᱟᱨ ᱟᱫᱷᱟᱱ ᱟᱭᱢᱟ ᱜᱟᱱ ᱯᱨᱳᱥᱮᱥ ᱛᱮ ᱪᱟᱞᱟᱜ ᱠᱟᱱ ᱨᱮ ᱦᱟᱭᱰᱨᱳᱡᱟᱱ ᱟᱨ ᱠᱟᱨᱵᱚᱱ ᱢᱳᱱᱳᱟᱹᱠᱥᱟᱭᱤᱰ ᱨᱮᱱᱟᱜ ᱢᱮᱥᱟ ᱧᱟᱢᱚᱜ ᱠᱟᱱᱟ
CH4+H2O -> CO + 3H2

ᱵᱟᱦᱨᱮ ᱡᱚᱱᱚᱲ

https://web.archive.org/web/20100125010949/http://www.bbc.co.uk

ᱥᱟᱹᱠᱷᱭᱟᱹᱛ


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