What is special character of hydrogen in periodic table
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Hydrogen is a chemical element with symbol H and atomic number 1. With a standard atomic weight of1.008, hydrogen is the lightest element on the periodic table.
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hydrogen is a very reactive molecule.. because it is a diatomic molecule. the element has the symbolH and atomic no. 1 at standard temp. and pressure it is. a colourless ,ordorless ,non metallic, univalent, highly flammable diatomic gas.
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