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......
The element that is colorless and a gas at room temperature is hydrogen (H).
At room temperature and standard pressure the element Chlorine is a gas.
Mercury is the only elemental metal that is liquid at room temperature.
At room temperature: Oxygen & Nitrogen are gases, Carbon is solid, & Mercury is a liquid.
The element hydrogen is in the gas phase at standard temperature and pressure.
The element that is colorless and a gas at room temperature is hydrogen (H).
Liquid: mercury. Gas: neon.
It is a gas.
The element mercury is a metal. The planet Mercury is rocky.
At room temperature and standard pressure the element Chlorine is a gas.
In group 16 on the periodical table the only element that is a gas at room temperature is oxygen (O).
gas
Mercury is the only elemental metal that is liquid at room temperature.
No- hydrogen is a gas at room temperature.
At room temperature, nickel, (Ni) is a solid.
No. Polonium is a solid at room temperature.
aldehyde is a gas/liquid because if you spin this element in a test tube it becomes room temperature