BROMINE (BR)

NUMBER

• Atomic : 35
• Atomic Mass : 79.904
• Protons : 35
• Neutrons : 45
• Electrons : 35

BOHR DIAGRAM

4 ENERGY LEVELS

• 7 valence
• 18 in the 3rd
• 8 in the 2nd
• 2 in the 1st

HISTORY

• From the Greek word bromos meaning stench
• Named by the French Academy of Science
• merriam-webster.com: fixes headaches

WHO DISCOVERED IT?

• Discovered in 1876 by Balard and Lowig
• Balard and Lowig discovered it almost at the same time
• Balard in France and Lowig in Germany
• Balard was the first to post a paper on it in 1826
• Lowig was still learning about Bromine

THE ELEMENT

• Source: The Dead Sea, underground brines of Arkansas
• Uses: Photography, flameproofing, and purifying water
• Melting Point: 19* F
• Boiling Point: 137* F

REFERENCES

• aisscience7elements.pbworks.com
• education.jlab.org
• mineralseducationcoalition.org
• chemicalelements.com