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The heaviest gas at: 293.15º K is WF6, or Tungsten Hexafluoride.

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Q: Which gas is the heaviest gas in air?
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What gas is the heaviest H2S NH3 CO SO2?

SO2 is the heaviest

If you have the lightest liquid and Heaviest gas can you make the liquid float?

no, the lightest liquid has a lot more density than the heaviest gas.

Which heaviest gas?

Very probable the heaviest gas known today is wolfram hexafluoride (WF6) with a density of 13 g/L.

Which is the heaviest gas and the lightest gas?

Tungsten hexafluoride and hydrogen.

What is the name of the heaviest known gas in the periodic table?

The heaviest gas at room temperature ( 75º F, 293.15º K) is WF6, or Tungsten Hexafluoride (297.83 g/mol, that's almost 10 times heavier than air!). It changes phase (becomes liquid) at 290.25º K, or about 62.78º F.

Who what is the heaviest of the naturally occurring noble gases?

Radon is the name of the heaviest noble gas.

What is the heviest noble gas?

Noble gases belong to group 0 and can be found on the extreme right column of the periodic table of elements. The heaviest noble gas would be radon, whose atomic mass is still uncertain. The element which appears below radon in the column, ununoctium, has not been confirmed as a noble gas.

What is the second heaviest gas?

Referring to the Periodic Table, it is Radon (Rn), atomic number 86 (the heaviest being ununoctium)

What is the heaviest inert gas?

Neon">NeonIt is not Ne but Rn

Witch is the heaviest gas?

The heaviest gas at room temperature ( 20ºC, 68ºF, 293 K) is:Tungsten Hexafluoride (WF6) molecular mass 297.83 g/mol, that's almost 11 times heavier than air. Density 13 g/L.However it changes phase (becomes liquid) at about 290K (17ºC, 63ºF)

Which gases are so heavy?

radon is the heaviest gas. hope it helped u!

Which gas is heaviest nitrogen hydrogen or oxygen?

Isotopic mas of hydrogen ia '1' Isotopic mass of nitrogen is '14' Isotopic mass of oxygen is '16' It follows that oxygen is the n=heaviest of these gases.