What Is the Lightest Element?


The lightest element is hydrogen, signified by an "H," with an atomic weight of 1.008. It is the first element on the periodic table of elements, making it the lightest element.
2 Additional Answers
The lightest element on earth is lithium since it has a density of 0.533 units. It is closely followed by potassium, sodium, calcium, rubidium and magnesium. Osmium is considered the heaviest element on earth.
Hydrogen is the lightest and smallest element known to man. Hydrogen is also the most abundant element in the universe, it fuels stars and galaxies.
Q&A Related to "What Is the Lightest Element?"
The lightest element is hydrogen. With an atomic mass of 1.007 94u, it is lighter than helium-the second lightest element. Hydrogen is highly flammable and should not be handled in
Hydrogen is the lightest and the most plentiful element in the universe. Hydrogen, denoted by the symbol H, has an atomic number of one and joins with many other elements to produce
Hydrogen is the lightest element.
Hydrogen and helium are the lightest elements on the periodic table of
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The lightest element in the periodic table is Hydrogen with one proton in its nucleus and an atomic weight of 1.0079 grams per every mole of atoms. The hydrogen ...
The second lightest chemical element is Helium. It is an inert gas that is colourless, odourless and tasteless. The boiling point and freezing point of Helium ...
Hydrogen is the lightest chemical element having an atomic mass of 1.0079 u. It is also the most plentiful chemical element comprising approximately 75% of the ...
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