Radon

atomic number 86 registered nurse is an factor that is on the bimestrial turn eat up of instalments. It is a member of the family called the portentous muffes, which is group number 18. radon is a gas. It is a gas at 298 k. it is the heaviest known mononucleate gas at that temperature. registered nurse is also colorless. When it is cooled below the stymie point, radon exhibits a promising phosphorescence, which becomes yellow as the temperature is lowered. At the temperature of liquid air it is discriminate of an orangish-red. The noble gases can be found on the real right side of the cyclic table of elements. radon has been exclusively about for quite round time.

Radon comes from the element radium, which is derived from the element uranium. After radium has been 1,620 age old, radon forms 3.8 days afterwards. Radon is most often produced by the molder of radium in the crust of the earth. Radon was archetypal spy by a man named Fredrich Ernst Dorn. Mr. Dorn discovered this element around 1898. At start-off radon was not called...If you motivation to stay a wide essay, order it on our website: Ordercustompaper.com

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