as a liquid and solid it is not - as a gas I suspect not although I'm not sure
Yes it is. Do not play with mercury!
No Argon is not lighter than air. Argon is 25% more dense than air.
Natural gas is lighter than air and rises.
HYDROGN IS 14 TIMES LIGHTER THAN AIR.
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Yes it is. Do not play with mercury!
Aluminum is the lighter than mercury.
The balloon is lighter than air.
no, water is lighter than mercury
100% of hydrogen is lighter than air
Yes methane is lighter than air because it is less dense than air.
No Argon is not lighter than air. Argon is 25% more dense than air.
Hot air, hydrogen or helium are lighter than cold air.
blimp or hot air balloons are lighter than air crafts
Hot air, hydrogen or helium are lighter than cold air.
Hydrogen and Helium are both lighter than air.
"Lighter than air." Think about it for a second.