a colorless explosive liquid that is volatile and poisonous and foul-smelling
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a nuclear weapon that releases atomic energy by union of light (hydrogen) nuclei at high temperatures to form helium
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a chemical bond consisting of a hydrogen atom between two electronegative atoms (e.g., oxygen or nitrogen) with one side be a covalent bond and the other being an ionic bond
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a colorless gas that yields hydrobromic acid in solution with water
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a salt of carbonic acid in which one hydrogen atom has been replaced
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a colorless corrosive gas: HCl
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a weak poisonous acid (HCN) used in fumigating and in synthesis of organic compounds
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a colorless poisonous corrosive liquid made by the action of sulphuric acid on calcium fluoride
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a colorless gas that yields hydroiodic acid in aqueous solution
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a positively charged atom of hydrogen
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the number of moles of hydrogen ions per cubic decimeter