Water consists of two atoms of hydrogen and one atom of oxygen covaliently bonded together.
The density of liquid water is 1,000kg/m^3 at 4C. Water itself is one of the most common elements on the planet, and is necessary for almost all lifeforms on earth to survive.
Water is a liquid at standard temperature and pressure. It is tasteless and odorless. The intrinsic colour of water and ice is a very slight blue hue, although both appear colourless in small quantities.