ChlorineThis is a featured page


My Nucleus
  • 17 protons
  • 18 neutrons
  • Isotopes: 32-40 Cl
  • Half-life: 308,000 years.
  • Average atomic mass:35.453
  • Atomic number: 17

Chlorine - Chemistry with Mr. Olson
  • 17 electrons
  • [Ne] 3s23p5
  • Valence Electrons: 7 electrons
Chlorine - Chemistry with Mr. Olson

Chlorine - Chemistry with Mr. Olson
My Properties
  • Symbol:Cl
  • Atomic weight: 35.453gm.
  • Group Number: 17
  • Group name: Halogen
  • Period Nember:3
  • Standard State: Gas at 298 K
  • Color: yellowish green
  • Classifcation: Non-metal
  • Covalent radius: 99pm
  • Atomic radius: 100 pm
  • Room temperature: gas
  • Density: 3.2 g/L
  • Melting point: 171.6 K
  • Boiling piont: 239.11 K
  • Critical point: 416.9 K
  • Heat of fusion: 6.406 kJ*mol-1
  • Heat of vaporization: 20.41 kJ*mol-1
  • Heat capacity: 33.949 J*mol-1*K-1

My Home
(Body, Planet, Universe)
  • universe by weight: 1000 ppb
  • Sun by weight: 8000 ppb
  • Meteorite by weight: 380000 ppb
  • Earth Crustal Rocks by weight:170000 ppb
  • sea water by weight: 19870000 ppb
  • Strems by weight: 8000 ppb
  • Human by weight:1200000 ppb
I am Element!

Chlorine - Chemistry with Mr. Olson


Chlorine - Chemistry with Mr. Olson
My Compounds
(My Friends!)

  • has some binary compounds with other halogens.
  • for each compound, a oxidation number is given to chlorine.
  • common oxidation numbers: 7, 5,3, 1, -1
  • combines with flourides
  • combines with oxides


My Story
  • discovered by Carl Wilhelm Scheele.
  • he was a Swedish chemist.

Chlorine - Chemistry with Mr. Olson

  • chlorine was discovered in 1774.
  • it is used in medicines.
  • it was first used in Scheele's pharmachy medicine.
  • chlorine come from the Greek word meaning pale green.


My Jobs

  • chlorine is mostly used in salt. it is combined with sodium to make NaCl.
  • it occurs in sea water and rock salt.
  • it is also used for hydro chloric acid.
  • it makes matal chloride salts.
  • it combines with most non- metals.
  • it is used to bleach fabrics.
  • production of safe drinking water.
  • used in paper products, dye, textiles, petroleum, medicine, antiseptics, insecticides, solvents, paints, plastics, and more.
  • used for cleaning products like bleach, disinfectants.
  • chlorine is mostly used in swimming pools.

Chlorine - Chemistry with Mr. Olson

Chlorine - Chemistry with Mr. Olson



Chlorine - Chemistry with Mr. Olson

Chlorine - Chemistry with Mr. Olson


Chlorine - Chemistry with Mr. Olson


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chlorine 		Latest page update: made by chlorine , Oct 21 2006, 2:14 AM EDT (about this update About This Update chlorine Edited by chlorine

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