Water is an important compound for all life forms known to date on Earth, but not on other planets. Water covers almost 71% of the Earth's surface.
Molecular formula: H2O
Alternative names: aqua, dihydrogen monoxide, Hydrogen hydroxide
Heat type: 4184 J / (kg · K) (liquid at 20 ° C)
Freezing Point: 0 ° C (273.15 K) (32 ° F)
