Chlorine
Adopt an Element Project by Kaoutar Maachaoui
Basic Information
Atomic Name is Chlorine
Atomic Symbol is Cl
Atomic Number is 17
Atomic Mass is 35.4527
Cost = $0.024 per gram
More about Chlorine
Melting Point is -101.5 degrees Celsius
Boiling Point is -34.04 degrees Celsius
Ionization Energy is 1251.2
Atomic Radius is 72pm
Electronegativity is 3.16
Protons present are 17
Neutrons present are 18
Electrons present are 17
Normal phase is gas
Other Information
Its classification is Nonmetal.
Family
Halogen
Origin of Name
It comes from a Greek word "chloros", which means green or yellow (a pale green)
Discovery & Date
Discovered by Carl Wilhelm Scheele in 1774
Chlorine Uses and Interesting Information
Used in Pools
Chlorine is used to clean and purify pools and drinking water.
Chemical Weapons in WWI
Chlorine was used in WWI as a chemical weapon, however was no as effective as hoped.
Tree Frogs
Tree frogs have a chlorine compound in their skin that is a powerful pain killer, which if given in large dosage,, it is fatal.
Table Salt
Chlorine combined with sodium creates Sodium Chloride, or table salt.
Earth's Crust
Chlorine is the 6th most prominent element in Earth's crust.
War in Iraq
Used to make chlorine bombs in the war in Iraq.