Unknown

1
Discovery of The Elements
Created by Jimmy Brehm CHE 701 Dr.
Tofan Summer 2008
Platinum is 30 times more rare than gold
2000 B.C.
Unknown
Unknown
8000 B.C.
4000 B.C.

• Images obtained from
• Data obtained from www.webelements.com
  wikipedia.com

2

1789
Sir Humphrey Davy laid the foundation of
electrochemistry. He studied electrolysis of
salts in water. Isolated sodium and potassium.
Martin Klaproth Germany

1790
1850
1760
1820
Tellurium was used as a chemical bonder in the
making of the outer shell of the first atom bomb.
Thallium is highly toxic It is used in murders.
It has the nicknames "The Poisoner's Poison" and
"Inheritance powder."
3
Wiilliam Ramsay won the nobel prize in 1904"in
recognition of his services in the discovery of
the inert gaseous elements in air"
1940
1880
1910
1970
2000
1940
Dale Corson USA
Plutonium was used in the bomb dropped on
Nagasaki, Japan in August 1945
Seaborg and Ghiorso's collaborated together at
UC Berkely