What is Hydrogen???
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Explanation:
hydrogen is the chemical element with the symbol H and atomic number 1.with a standard atomic weight of 1.008, hydrogen is the lightest element in the period table hydrogen is the most abundant chemical substance in the unverse, consituitng roughly 75% of all baryonic mass
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Hydrogen can be used in fuel cells to generate electricity, or power and heat. Today, hydrogen is most commonly used in petroleum refining and fertilizer production, while transportation and utilities are emerging markets.
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