Ideas and Scientific Methods Was Democritus's pro…

00:15
University of Miami
Problem 32

Distinguish between Democritus's ideas and Dalton's
atomic theory.

"Democritus:
- Matters are composed of atoms that can move freely in empty space.
- Atoms are solid, homogenous, can't be destroyed and can't be divided into smaller parts.
- Atoms of different elements have different sizes and shapes.
- Properties of matter are set by the size, shape and movement of the atoms that form the matter.
$\cdot$ Dalton's atomic theory:
- Matter is composed of atoms, which are the smallest components of the substance.
- Atoms can't be broken into smaller parts and can't be destroyed.
-The atoms of the same element have the same size, mass and chemical properties.
- Atoms from one element are different from other elements.
- Atoms can be combined in definite ratios to form compounds.
- Chemical reaction can cause the atoms to separate from each other, combined or
rearranged with each other.

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