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Bromine (Br) Kendrick Fry

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2 Bromine (Br) Kendrick Fry http://www.chemicool.com/

3 Physical Properties:  Color: Red-Brown  State at 25 degrees Celsius: Liquid  Density: 3.1  Hardness: No data  Melting Point (K): 266  Boiling Point (K): 332.7  Non-Metal Bromine:

4 Bromine: Crystalline Structure :  Structure: orthorhombic  Cell parameters:  a: 672.65 pm  b: 464.51 pm  c: 870.23 pm  α : 90.000°  β : 90.000°  γ : 90.000°

5  Atomic number: 35  Atomic mass: 79.904  Number of Protons:35  Number of Neutrons:45  Number of Electrons:35 Symbol: f Bromine:

6 Bromine:  Group: 17  Block: P  Period 4  Electron Configuration: 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p5

7 Used in making fire retardant chemicals : Used in making fire retardant chemicals : As a disinfectant in water treatment : In flame proofing agents : In dyes : In medicine Uses Of Bromine: Bromine:

8 Inorganic bromine is used in photography film : Inorganic bromine is used in photography film : It's related compound ethylene dibromine (EDB) was used in making leaded gasoline but was banned because it was found to be a known cause of cancer : In fumigants Uses of Bromine: Bromine:

9 Bromine:  Bromine is mostly found in wells in Michigan and Arkansas.  Mostly found with Metals.  In 1996 about 1 billion pounds were produced Worldwide.  Obtained from a mollusk (shell fish) Where is Bromine found? Bromine’s Abundance:

10 Bromine: Chemical properties, reactivity, oxidation states  Bromine reacts with water to form a mixture of Hydrobromic Acid, HBr, and Hypobromous Acid, HBrO  Bromine reacts with water to form a mixture of Hydrobromic Acid, HBr, and Hypobromous Acid, HBrO.  Br2 + H2O ==> HBr + HBrO  Bromine liberates Oxygen when the resulting solution is heated or exposed to strong sunlight.  2 HBrO ==> 2HBr + O2  Bromine reacts with alkalis in a similar way to Chlorine. Bromine also displaces free elemental Iodine from solution of Iodide Salts, I(-).

11 The name originates from the Greek word 'Bromos' meaning "stench" http://www.youtube.com/watch?v=hbBVgufI9y4 Bromine:


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