Giants Of
Chemistry
Joseph Priestley
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Born- March 24, 1733
Died- February 6, 1804
Priestley was born in Birstall, England
He was a chemist, philosopher, and teacher
major contributions
● joseph priestley is known for his discovery of oxygen in
1774
● also he helped with discovering the formula for air
Books and Politics
● In 1768 his book The First Principles of Government and the
Nature of Political, Civil and Religious Liberty was published.
● Joseph priestley believed in unitarianism.
Dimitri Mendeleev
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Dimitri Mendeleev was born on February 8, 1834.
He died on February 2, 1907
His cause of death was the Flu.
He was from Tobolsk, Russia.
Mendeleev published a periodic table. Mendeleev also
arranged the elements known at the time in order of
relative atomic mass
Contributions
● his areas of study ranged from chemistry to aeronautics to
Arctic exploration to demographics.
● Mendeleev’s greatest contribution to science is certainly
the Periodic Table of Elements, which says the properties
of basic elements repeat periodically when they are
arranged by their atomic number.
books writing
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his name was given to the National Metrology Institute dealing with
establishing and supporting national and worldwide standards for precise
measurements. Next to it there is a monument to him pictured above that
consists of his sitting statue and a depiction of his periodic table on the wall of
the establishment.
The Principles of Chemistry (Vol. I)
Author: Dmitri Ivanovich Mendeleev, 1834-1907; translated by George
Kamensky. Subject: Chemistry; Periodic Law; Argon. Publisher: Longmans,
Green and Co., London. Language: English. Book Contributor: Cornell
University Library
work cited
https://en.wikipedia.org/wiki/Joseph_Priestley
https://www.google.com/?
safe=active&ssui=on#q=when+was+mendeleev+born&safe=active&ssui=on