what is the gaseous state of water called
Water vapor Water vapor, water vapour or aqueous vapor is the gaseous phase of water. It is one state of water within the hydrosphere. Water vapor can be produced from the evaporation or boiling of liquid water or from the sublimation of ice. Unlike other forms of water, water vapor is invisible.[4] Under typical atmospheric conditions, water vapor is continuously generated by evaporation and removed by condensation. It is less dense than air and triggers convection currents that can lead to clouds.
Viscosity The dynamic viscosity of water is 6996890000000000000♠8.90×10−4 Pa·s or 6997890000000000000♠8.90×10−3 dyn·s/cm2 or 0.890 cP at about 25 °C.