History of Chemistry

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Chemistry is a branch of science that has been around for a long time. It has been here ever since the prehistoric era. Chemistry takes up too much time to put on a time, so it was put into four categories. The four categories are: prehistoric times - beginning of the Christian era (black magic), beginning of the Christian era - end of 17th century (alchemy), end of 17th century - mid 19th century (traditional chemistry) and mid 19th century - present (modern chemistry).
Prehistoric time: King Hammurabi knew metal were recorded and listed them in conjunction with heavenly bodies, in 1700 B.C. on his rule over Babylon. Then Democritus of ancient Greece proclaimed the atom was the simplest unit of matter and that matter is composed of all atoms, in 430 B.C. A few years in 300 B.C. Aristotle believed that there were only four elements, fire, earth, water, and air. That matter is made up of all these elements and they had four properties, hot cold, dry, and wet. They each believed in these things and even tried to prove that they were right.
Then in 300 BC through 300 AD The Advent of A...

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