Rockin' Radon

Nikki Holmes

Basic Info

Symbol: Rn

Atomic Number: 86

Atomic Weight: 222

Group: 18

Period; 6

Color: Colorless

Classification: Nonmetal

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History

  • Discovered = Friedrich Ernst Dorn: 1900, Germany
  • First called "Niton" (means shining)
  • Called Radon: 1923
  • Found to be inert

Uses

  • Foresee Earthquakes
  • Radiation Therapy in Hospitals

Description

  • Emits yellow light below freezing point as temperature decreases
  • Emits orange-red light at the temperature of liquid air
  • Heaviest gas
  • Safety issue around homes

Biology/Geology

  • No place in biology
  • Some spring waters
  • Uranium ores
  • Build up in soil and rocks = dangerous

Properties

Boiling Point = 211.3 Kelvin

Melting Point = 202 Kelvin

Density = 4400 mg

Interesting Facts

  • Shell Structure = 2-8-18-32-18-8
  • Doesn't form a compound with anything
  • Homes are tested for radon
  • Can cause extreme illness if inhaled