symbol-H; atomic number-1; a colorless and odorless and flammable gas that combines chemically with oxygen to form water the lightest of the known elements
Hydrogen is a chemical element with the symbol H and atomic number 1.
Hydrogen is a chemical element with the symbol H and atomic number 1.
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Each molecule of water has one hydrogen and two oxygen atoms.
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The nucleus of a hydrogen atom is a proton.
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Fenton's Reagent is a solution of hydrogen peroxide and ferrous iron catalyst.
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What do hydrogen and oxygen create?
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One use of electrolysis of water is to produce hydrogen.
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Why did Max buy hydrogen instead of helium?
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What happens when hydrogen sulfide and methane gas combine?
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The hydrogen binds the oxygen.
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Iron, silver, gold, copper, oxygen, zinc, and hydrogen are all examples of what?
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Why did the Hindenburg have to use hydrogen instead of helium?
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The most common isotope of hydrogen has no neutrons at all.
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Key elements of an amino acid are carbon and hydrogen and oxygen and nitrogen.
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Why was it dangerous to use hydrogen in balloons?
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3 syllables
hy-dro-gen
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