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Basic InformationName: Radon Symbol: Rn Atomic Number: 86 Atomic Mass: (222.0) amu Melting Point: -71.0 °C (202.15 °K, -95.8 °F) Boiling Point: -61.8 °C (211.35 °K, -79.24 °F) Number of Protons/Electrons: 86 Number of Neutrons: 136 Classification: Noble Gas Crystal Structure: Cubic Density @ 293 K: 9.73 g/cm3 Color: colorless
Atomic Structure
Isotopes
FactsDate of Discovery: 1898 Discoverer: Fredrich Ernst Dorn Name Origin: From radium Uses: treatment of cancer Obtained From: decay of radium
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