it is a solid
At room temperature, KCl is a metal (solid).
There is no gaseous phase in ionic compounds at room temperature and pressure.
Potassium at room temperature is a solid.
Bromine is in liquid phase at room temperature.
At standard temperature and pressure, potassium is a solid.
Potassium bromide is a solid at room temperature.
Gas at room temperature
solid at room temperature.
Gold is a solid at room temperature.
iodine is solid at room temperature
Solid state in room temperature.
Potassium is in thee solid state at standard temperature and pressure, which is sometimes loosely called "room temperature".