Radon

!RADON!
 * Fredrich Ernst Dorn Is the one who Discovered Radon[[image:radon.gif width="291" height="258" align="right"]]


 * Radon was Discovered in 1990


 * The Symbol of radon is Rn


 * The Atomic number is 86


 * The Atomic Mass is 222


 * The source of the symbol was abbreviated after the element


 * It has 86 Protons


 * It has 136 Neutrons


 * It has 86 Electrons


 * Radon is found in soil
 * It is in the form of a gas


 * The meal﻿ting point ﻿is negative seventy one degrees celcius
 * The boiling point is negative sixty one point seven degrees celcius


 * The Density is 9.73g/cm3

It is used to treat some forms of cancer, also used in earthquake prediction
 * The Abundance in the Earths crust is 4 x10-13 milligrams per kilogram

Intresting Facts To Know:
 * Radon is available at the cost of 4 million
 * Obtained from the decay of Radium
 * Radon is a health threat in homes built on granite
 * Radon is the heaviest known gas and often found associated with uranium

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