System to describe the chemical formulas for WEB.

Hydrogen

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Hydrogen

Molecular formula: H2 CAS# 1333-74-0
Categories: Diatomic molecule , simple substances , Food additive
PubChem CID: 783 | ChemSpider ID: 762 | CHEBI:18276, CHEBI:29299
Names
English:
Dihydrogen
E949
EINECS:215-605-7
Hydrogen [Wiki]
Hydrogen gas
Molecular hydrogen
diprotium
hydrogen molecule
Русский:
Водород [Wiki]
Italiano:
Idrogeno [Wiki]
中文:
氢 [Wiki]
German:
Wasserstoff [Wiki]
French:
Hydrogène [Wiki]
Español:
Hidrógeno [Wiki]
日本語:
水素 [Wiki]
हिन्दी:
हाइड्रोजन [Wiki]
العربية:
هيدروجين [Wiki]
Latina:
Hydrogenium [Wiki]
Ελληνικά:
Υδρογόνο [Wiki]

Variants of the formula:

H2
H-H
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Hydrogen is involved

  • 2H2 + O2 = 2H2O
  • 2{M} + 2H2O = 2{M}OH + H2"|^" , where M = Li Na K Rb
  • H2 + {Hal}2 -> 2H{Hal} , where Hal = F Cl Br I
  • H2 + F2 = 2HF
  • Zn + H2SO4 -> ZnSO4 + H2"|^"