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jan 1, 400 BC - Democritus

Description:

• First theorized that everything is made up of atoms that are indivisible, solid, and unchangeable.

• All changes in matter are from when the groupings of atoms is changed.

Different types of atoms have different sizes and shapes.

Added to timeline:

Advances in Atomic Theory

ByMason Maymir (student)
4 Oct 2018
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Date:

jan 1, 400 BC
Now
~ 2427 years ago
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