Bromine

35

Atomic Structure

Atomic Number: 35

Mass Number: 79.904

Protons: 35

Neutrons: 45

Electrons: 35

Physical Properties

Atomic Mas: 79.904

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

Flammability: Not flammable under typical fire conditions, will cause ignition of organic materials.

Reactivity: Strong oxidizing agent, air-reactive

Location on Periodic Table: Halogen

History and Discovery

When? Discovered in 1826 and produced in 1860

Where? Montepellier, France

Who? Antoine-Jerome Balard

Why/How? He found salt residues, left by evaporating brine

Element Applications and Uses

Element Applications and uses: Bromine is used in water purification and found in the ocean, pesticides and more.


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/>.