When hydrogen is the first element of chemical formula
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Explanation:
Hydrogen is the most abundant element in the universe and it has an atomic number of 1 . Hydrogen has a molar mass of 1 and it's molecular formula is H2. Hydrogen, H, is the lightest element with the atomic number 1. It is a colorless, odorless, tasteless, and highly flammable gas with the molecular formula H2.
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Explanation:
Hydrogen(H) is a gas, and is the first element on the periodic
table. It lacks color, taste, or odor, and is highly flammable.
Its molecular formula is H
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