What Sort Of Particles Does Water Contain?


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Water’s chemical formula is H2O. This means that each molecule is made up one oxygen and two hydrogen atoms that are connected by covalent bonds (sharing pairs of electrons).  Water therefore contains oxygen and hydrogen.

Water covers over 70 per cent of the Earth’s surface and can be found in its solid, gaseous and ice states, although in ambient conditions it is found as a liquid. Water can mostly be found in large water bodies and oceans with only 0.001 per cent found in the air as vapours, precipitation and clouds, and 1.6 per cent as aquifers underground.  Only a tiny percentage of the world’s surface water is found in manufactured products and biological bodies. The oceans hold 97 per cent, while polar ice caps and glaciers hold 2.4 per cent and the other 0.6 pr cent is found in surface water collections such as ponds, lakes and rivers.

There is a constant exchange of water in the Earth’s hydrosphere, occurring between the atmosphere, soil water, ground water, surface water and plants, water moves continuously through transfer processes. These transfer processes are evaporation, precipitation and runoff. Water evaporates from large water bodies and oceans into the air where condensation causes the water vapour to fall back to the earth as precipitation. Any precipitation that does not fall directly into the ocean gradually runs off the land into water bodies where they cycle can begin again.

Water is used in all aspects of human life whether to drink for survival purposes or for ritual washing in religion, water plays a role that humans could not live without. The body can contain between 55 per cent and 78 per cent water and can need between one and seven litres of water a day to avoid dehydration. Without this chemical compound of one oxygen and two hydrogen atoms, most species on the planet would not be able to survive.

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