what is hydrogen?...
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Hydrogen (H), a colourless, odourless, tasteless, flammable gaseous substance that is the simplest member of the family of chemical elements. ... Under ordinary conditions, hydrogen gas is a loose aggregation of hydrogen molecules, each consisting of a pair of atoms, a diatomic molecule, H
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hydrogen is the chemical element with symbol H and atomic number 1. with a standard weight of 1.008. it is the lightest element in the periodic table.
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