Bromine
35
Atomic Structure
Mass Number: 79.904
Protons: 35
Neutrons: 45
Electrons: 35
Physical Properties
Atomic Radius in angstorms:
Density: 3.1 g
Melting point: 19 F (-7.2 C)
Boiling point: 137.84 F (58.8 C)
At room temperature, this element is a liquid
Appearance: Brownish-red
Conductivity: No
Malleability: No
Hardness: Liquid
Other physical properties: Corrosive
Chemical Properties
Reactivity: Strong oxidizing agent, air-reactive
Location on Periodic Table: Halogen
History and Discovery
Where? Montepellier, France
Who? Antoine-Jerome Balard
Why/How? He found salt residues, left by evaporating brine
Element Applications and Uses
Isotopes: 29 are known, Br-81 Kr-81m Kr-77 Br-77 Se-77 are a few
Compounds: BrF, BrO2, Br2O,
Fun Facts
- Bromine's name comes from the Greek word bromos, which mean stench.
- Two bromine compounds were used as sedatives and seizures medications in the 1800 and early 1900's
- Bromine was used in World War l poison gas
Works Cited
"Bromine." Bromine. N.p., n.d. Web. 12 Jan. 2016. <http://www.rsc.org/periodic-table/element/35/bromine>.
"Facts about Bromine." Facts about Bromine. N.p., n.d. Web. 12 Jan. 2016. <http://www.livescience.com/32072-bromine.html>.
"Bromine Facts." Bromine Facts. N.p., n.d. Web. 12 Jan. 2016. <http://www.softschools.com/facts/periodic_table/bromine_facts/213/>.