Oxygen

oxygen atomic number 8 oxygen Atomic number8Atomic weight15.9994Melting point-218.4oC (-361.1oF) Boiling point-183.0oC (-297.4oF) niggardliness (1 atom, 0oC) 1.429 g/lValence2electronic config.2-6 or 1s22s22p4.Oxygen is matchless of the must important factors that make it possible for life to exist in this planet. Oxygen is to a fault one of the elements must found in earth. Oxygen ignore be found in in metals, water, and even the one thin that protects us from the powerful sunrays. Oxygen is a precise unstable element, which makes it easy to make compounds with other elements creating different kinds of solids and liquids. Oxygen is found in the air as O2, and found in the ozone as O3.

Oxygen is essential to all planets life. The Discovery of Oxygen On August 1, 1774, Joseph Priestly examined the effect of intense raise up on mercuric oxide. He noted that an air or gas was readily expelled from the specimen. To his surprise a candle burnt-out in this with a remarkably vigorous flame. He called this new...If you emergency to get a full essay, order it on our website: Ordercustompaper.com

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