Francium

4th block Chemistry

Kazzie Christy and Alek Bonikowski

Three Properties

Atomic Number: 87

Atomic Mass: 233 grams

Boiling Point: 677 degrees Celsius

Uses of Francium

Experimental tests of the standard model of the electro-weak interaction through parity non-conservation (PNC).

Precision tests of relativistic atomic physics.

Three compounds using Francium

Compound Name: Francium Sulfide

Formula: Fr2S

Molar Mass: 478.065


Compound Name: Francium Dichromate

Formula: Fr2Cr2O7

Molar Mass: 661.988


Compound Name:Francium Fluoride

Formula: FrF

Molar Mass: 241.9984032


Compound Name: Francium Bromide

Formula: FrBr

Molar Mass: 302.904


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  • -"ENDMEMO." Common Compounds of Francium Fr. N.p., n.d. Web. 05 May 2016.
  • -"Water Treatment Solutions." Francium (Fr). N.p., n.d. Web. 05 May 2016.
  • -"Francium - Element Information, Properties and Uses | Periodic Table."Francium - Element Information, Properties and Uses | Periodic Table. N.p., n.d. Web. 05 May 2016.
  • "Chemical Elements.com - Francium (Fr)." Chemical Elements.com - Francium (Fr). N.p., n.d. Web. 05 May 2016.
  • "Francium: Introduction." Francium: Introduction. N.p., n.d. Web. 05 May 2016.
  • Youtube.com

History of Francium

Francium also know as Fr or as the old name used to be eka-caesium and actinium K. Francium is also a highly radioactive metal that decays into astatine, radium and radon. Francium was also named after the country of its origin France and discovered in 1939

Francium Bonding

Francium Sulfide Fr2S Ionic Bonding

Francium Phosphide Fr3P 699.9738. Ionic bonding

Alkali Metals- why dont use Francium in Lab Experiments

Franciums group Alkali Metal

Lower densities of other metals

One loosely bound valence electron

Largest atomic radii in their periods

Low ionization energies

Low electronegativities

Highly reactive