There are thousands of substances which are gas at 20 deg C.
No, it is a gas!
Xenon is a gas.
At 20 degrees Celsius krypton is a gas. You would have to bring the temperature way down to just below -153.22 (yes, negative!) degrees Celsius for krypton to become a liquid, and just below -157.36 degrees Celsius to make it a solid!
It's a solid.
At 1000 degrees Celsius oxygen is a gas.
At 20 degrees Celsius or 20 degrees Fahrenheit it is a gas, at 20 degrees Kelvin it is a solid.
Gas
No, it is a gas!
it is a colourless odourless gas at 20 degree Celsius
Xenon is a gas.
colorless gas
At room temp it is a gas.
Solid
Gas. It's melting point is: -189.35 Degrees Celsius It's boiling point is: -185.85 Degrees Celsius
At 20 degrees Celsius krypton is a gas. You would have to bring the temperature way down to just below -153.22 (yes, negative!) degrees Celsius for krypton to become a liquid, and just below -157.36 degrees Celsius to make it a solid!
20 degrees Celsius is colder
Nitrogen ice is solid. Liquid nitrogen is liquid. At standard temperature and pressure, nitrogen is gaseous.