Fluorine

=Fluorine=


 * Atomic Number:** 9


 * Protons:** 9


 * Electrons:**9


 * Neutrons:** 10


 * Average Atomic Mass:** 18.998 amu


 * Isotopes:**F-17, F-18, F-19, F-20, F-21, F-22, F-23


 * Discovery:**It was discovered by Henri Moissan in 1886 in France.


 * Name:** The latin name is "fluere" and the meaning is "to flow."


 * Uses:** It is used by toothpaste because it has flourine in the toothpaste.


 * Interesting Facts**:The chemical element of atomic number 9 is a poisonous pale yellow gas of the halogen series.
 * Video:** media type="youtube" key="wm2AdknTcMI" height="344" width="425"
 * Sources**
 * Photo:http://www.flickr.com/photos/edenink/2684793386/


 * Video: