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Which element is the heaviest gas at room temperature?

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Osmium This is totally incorrect. Osmium has the tenth highest melting point of all elements and therefore cannot be a gas at room temperature. Radon is heavier and also a gas. The atomic weight of radon is 222 atomic mass units making it the heaviest gas known. It is also radioactive and can collect in basements/cellars of homes. From Wikipaedia :: According to the United States Environmental Protection Agency, radon is the second most frequent cause of lung cancer, after cigarette smoking, causing 21,000 lung cancer deaths per year in the United States......
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What are the elements that are liquid at room temperature?

There are only two elements that are liquid at room temperature and they are Mercury (Hg) and Bromine (Br). Mercury is used in thermometers and Bromine is used in industrial a

How many elements exist as a gas at room temperature?

There are 11 elements that are gasses at RT (taking RT as 25 degrees celcius) and 1 atm pressure. These are Hydrogen Nitrogen Oxygen Fluorine Chlorine Helium Neon Argon Krypto

Which elements are liquid at room temperature?

The elements mercury (Hg) and bromine (Br) are liquid at room temperature. But elements like caesium (Cs) gallium (Ga) and francium (Fr) are in liquid state only slightly ab

What elements is a gas at room temperature?

The elements hydrogen, helium, nitrogen, oxygen fluorine, neon, chlorine, argon, xenon, krypton, and radon are gasses at room temperature.

What six elements of the periodic table are gas at room temperature?

Besides Noble gases (He,Ne,Ar,Kr,Xe,Rn) other gaseous elements include H 2 ,N 2 ,O 2 , F 2 and Cl 2 . Br 2 is a volatile liquid.

What elements are liquid at room temperature?

The scientific definition of room temperature , also known as standard temperature and pressure (STP), is 68°F (20°C) at one atmosphere (sea level). By this defini