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 is a solid at room temperature and pressure, so it is in its solid phase. It has a metallic appearance and is a soft, silvery-white alkali metal.
Potassium at room temperature is a solid.
At room temperature, hydrogen is in the gaseous phase.
At standard temperature and pressure, potassium is a solid.
Potassium chloride is a white crystalline solid at room temperature.
At room temperature (~25°C), germanium is in the solid crystalline phase.
Gas at room temperature
Hydrogen is typically in the gas phase at room temperature and atmospheric pressure.
iodine is solid at room temperature
Copper is a solid at room temperature.