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English: Hydride is the name given to the negative ion of hydrogen, H. Although this ion does not exist except in extraordinary conditions, the term hydride is widely applied to describe compounds of hydrogen with other elements, particularly those of groups 1–16. The variety of compounds formed by hydrogen is vast, arguably greater than that of any other element. Various metal hydrides are currently being studied for use as a means of hydrogen storage in fuel cell-powered electric cars and batteries. They also have important uses in organic chemistry as powerful reducing agents, and many promising uses in hydrogen economy.

Every element of the periodic table (except some noble gases) forms one or more hydrides. These compounds may be classified into three main types by the predominant nature of their bonding:

  • Saline hydrides, which have significant ionic character,
  • Covalent hydrides, which include the hydrocarbons and many other compounds, and
  • Interstitial hydrides, which may be described as having metallic bonding.
anion of hydrogen, H−, or, more commonly, it is a compound in which one or more hydrogen centres have nucleophilic, reducing, or basic properties
Titanium hydride TiH2.jpg
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Instance of structural class of chemical compounds
Subclass of hydrogen compound
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Media in category "Hydrides"

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