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nouna nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe
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type of:
Definition that contains hydrogen
- salt a compound formed by replacing hydrogen in an acid by a metal (or a radical that acts like a metal)
- reduce to remove oxygen from a compound, or cause to react with hydrogen or form a hydride, or to undergo an increase in the number of electrons
- teller United States physicist (born in Hungary) who worked on the first atom bomb and the first hydrogen bomb (1908-2003)
- sod an enzyme that catalyzes the conversion of superoxide into hydrogen peroxide and oxygen
- reduction any process in which electrons are added to an atom or ion (as by removing oxygen or adding hydrogen); always occurs accompanied by oxidation of the reducing agent
- reducing any process in which electrons are added to an atom or ion (as by removing oxygen or adding hydrogen); always occurs accompanied by oxidation of the reducing agent
- ammonia a pungent gas compounded of nitrogen and hydrogen (NH3)
- ph (from potential of Hydrogen) the logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter; provides a measure on a scale from 0 to 14 of the acidity or alkalinity of a solution (where 7 is neutral and greater than 7 is more basic and less than 7 is more acidic)
- nebula an immense cloud of gas (mainly hydrogen) and dust in interstellar space
- cavendish British chemist and physicist who established that water is a compound of hydrogen and oxygen and who calculated the density of the earth (1731-1810)