Hydrogen is the lightest (it is a gas) and most abundant element in the Universe. A hydrogen atom consists of a single proton and a single electron, making it the simplest atom in the Universe.
hydrogen bonding
All positive ions are called 'cations' (by definition of this word)
The word equation for hydrogen chloride is "hydrogen + chlorine = hydrogen chloride".
Hydrogen- Bomb
The word equation for hydrogen chloride is: hydrogen + chlorine → hydrogen chloride.
Oils by definition are hydrocarbons: compounds of hydrogen and carbon only.
Hydrogen + fluorine ---> hydrogen fluoride
Hydrogen-1. It is a single proton and a single electron.
hydrogen iode because of its 2hydrogen atoms
Molecular hydrogen is a diatomic element containing two covalently bonded hydrogen atoms with the chemical formula H2. Molecular hydrogen is colorless and odorless.
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