-
Period: 100 to
Life Time
-
370
(BC) Democritus's Death
He died still living in Greece. -
400
(BC) Democritus's Atomic Theory
Democritus states that all matter is made up of small units that cannot be divided and cannot be changed. He decided to call them atomos, and the idea explained the existence of substances and materials. -
400
Democritus's Idea
Democritus proposed as a philosphical thinker that substances were made of atoms from his mentors, Epicurus and Leucippus. He illustrating and popularizing the concept of atoms and used analogies from our experiences to help him descibe it. -
450
(BC) Democritus Birth and Living Place
Democritus is born in Abdera, Greece and continues to live in Greece. -
Antoine-Laurent Lavoisier is born in Paris, France and continue to live there
-
Lavoisier and Sulfur
Lavoisier discovers that Sulfur is a element and used experiments to prove this by not being able to break it down any further. -
Law of Conservation of Mass
Lavoisier found out the law of Conservation of Mass, independently, that mass cannot be destroyed or created. -
Metric System
Lavoisier served on the committee of the French Academy of Sceinces which developed the metric system of measurement. -
Antonie Lavoisier's Death
Lavoisier died by the guillotine by the French Revolutionaries in Paris, France. -
Niels Henrik David Bohr's Birth and living place
Bohr was born in Copenhagen, Denmark and continued to work in Manchester and Copenhagen.
