What Is the Lightest Gas?

Answer

Hydrogen is the lightest gas and the lightest element. The atomic weight of hydrogen is 1.00794(7) ‰g*mol ˆ’1, and a molecular weight of 2.016, which is about half the weight Helium, which some people have thought to be the lightest gas.
Q&A Related to "What Is the Lightest Gas"
hydrogen its in the table of the elements.
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With an atomic weight of barely over 1, hydrogen is the lightest gas and the lightest
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Hydrogen: Each mole of H2 weight 2g and has a volume of ~22 litres. each molecule has 2 electrons and 2 protons and no neutrons (very little deuterium or tritium anyway) the next
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The answer is helium (He): Hydrogen is the lightest with a density of 0.0899 kg/m^3 Helium is second with a density of 0.1664 kg/m^3 For comparison, air has a density of 1.293 kg/
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Explore this Topic
The lightest inert gas is helium. It is much lighter than air and is what gives balloons the ability to float. Helium was first discovered by Jules Janssen in ...
Odorless means having no odor, the element that is colorless, tasteless and odorless gas is the lightest of all elements is hydrogen. Hydrogen is the element with ...
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 ...
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