At room temp it is a gas.
Gas
-20 degrees Celsius = -4 degrees Fahrenheit.
20 degrees Celsius = 293.15 kelvins
20 degrees Fahrenheit = -6.6 degrees Celsius.
20 degrees Celsius = 68 degrees Fahrenheit
Hydrogen is a gas at 20 degrees, Fahrenheit and Celsius, but it you are talking Kelvin, then it is a liquid.
Selenium is a solid at 20 degrees Celsius!
Gold is a solid at 20 degrees Celsius.
Solid
solid
It will be a liquid.
Gas
Solid
Iodine is a solid at 20 degrees Celsius.
20 degrees Kelvin it will be solid 20 degrees Celsius it will be gaseous 20 degrees Fahrenheit it will be gaseous
Scandium is a solid at 20 degrees Celsius.
probs solid