Chlorine

History


  • Discovered in1774 by Carl Wilhelm Scheel
  • Discovered in Sweden
  • Obtained through Mineral Pyrolusite, and hydrochloric acid (he thought it was Oxygen)
  • In 1810, Sir Humphry Davy confirmed the element and named it


Picture URL:

http://www.chemistryexplained.com/images/chfa_04_img0824.jpg

Uses

Some Examples:

• paper products

• medicines

• Insecticides

• Solvents

• Paints

• Plastics

• Cleaning supplies

• Disinfectants


Picture URL:

http://clowardh2o.com/wp-content/uploads/2014/10/Chlorine-Periodic-Table.png

Properties


  • Non-metallic
  • Density of solid- 2030 kg
  • Melting point- 171.6 K (Kelvin)


Picture URL:

http://www.amazingrust.com/Experiments/how_to/Images/Chlorine_gas.jpg

Interesting Facts


  • Not found in nature as a free gas
  • Reacts with water to make Hypochlorite
  • 1915- used as war gas


Picture URL:

http://www.firstworldwar.com/diaries/graphics/frenchgasmasks.jpg