The lightest and most abundant element in the entire Universe is hydrogen. Hydrogen has an Atomic Mass of nearly one.
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The first element in the periodic table is hydrogen. It is the lightest and most abundant element in the universe.
Hydrogen is the lightest chemical element. It has an atomic number of 1 and is the most abundant element in the universe.
The element for hydrogen is H. It is the lightest and most abundant element in the universe, commonly found in water molecules and hydrocarbons.
Hydrogen is the lightest and most abundant element in the universe.
Hydrogen is a gas at room temperature and pressure. It is the lightest and most abundant element in the universe.