Astatine (like iodine) would be solid at room temperature.
Hydrogen is in a gaseous state at 20 degrees Celsius.
At Room temperature, its a solid
At a temperature of 20 degrees C (or F, for that matter) oxygen is a gas.
Sodium is in solid form at 20 degrees Celsius.
Plutonium is a solid at 20 degrees Celsius. It has a melting point of 639.4 degrees Celsius and a boiling point of 3228 degrees Celsius, so at 20 degrees it would be in a solid state.
iodine and Astatine
Not known
it is a state at 20 degrees if you don't know go to an other website
Not known
At 20 degrees celsius, Yttrium is solid. It's melting point is far above 1000 degrees.
Selenium is a solid at 20 degrees Celsius!
Hydrogen is in a gaseous state at 20 degrees Celsius.
At Room temperature, its a solid
The state of argon at 20 degrees is a gas.
At a temperature of 20 degrees C (or F, for that matter) oxygen is a gas.
At 20 degrees Celsius, wax is typically in a solid state.
20 degrees Kelvin it will be solid 20 degrees Celsius it will be gaseous 20 degrees Fahrenheit it will be gaseous