Element Symbol: Br
Atomic Number: 35
Average atomic Mass: 79.904
Name of chemical Family: Halogen
State at Room temp: liquid
Properties: Melting point: -7.2˚С
Boiling Point: 58.78˚С
Colour: red brown
Clarity: Slightly Transparent
Odour: Acrid smell similar to chlorine
Uses: water purification,
Pesticides (methyl bromide)
Make plastics flame retardant
Mild sedative (sodium bromide)
Year of Discovery: 1826 in France.
Name of Discoverer(s): Antoine-J. Balard
Origin of name: from the Greek word "bromos" meaning "stench" Main source: seawater, underground salt mines, and deep brine wells, usually found in oceans Health concerns: cause severe burns on the skin
Its vapour damages irritates the tissues of the eyes, nose, and throat
Bohr-Rutherford Model: Number of Protons/Electrons: 35; Number of Neutrons: 45
By: Rebecca Huang
Stwertka, Albert. A Guide To The Elements Revised Addition. New York: Oxford University Press, 1998
Gray, Theodore and Nick Mann. The Elements: A Visual Exploration of Every Known Atom in the Universe. New York: Black Dog and Leventhal Publishers Inc. 2009
Web Elements. “Bromine.” http://www.webelements.com/bromine/ November 10, 2010.
It has 35 protons and 45 neutrons.
State at Room Temp:
Name of Discoverer:
Origin of Name:
From the Greek word "bromos" meaning "stench"
-Pesticides (methyl bromide)
-Used in manufacture of photographic film (silver bromide)
-Mild sedative (sodium bromide)
Properties:ure of photographic film (silver...
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