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Chemistry (GR8)
The atomic theory
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Combining Atoms
Chemistry (GR8) > The atomic theory
11 cards
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A Greek philosopher and scientist who lived on the south coast of Sicily between 492 BCE and 432 BCE
Empedocles
"All matter was composed of four
elements
:
fire
,
air
,
water
, and
earth
"
He proposed the first theories that all matter was composed of
four
elements
He cut the stone in half and turn into smaller pieces into smaller pieces at some point he reached a piece so tiny it could no longer be divided
Democritus
What does atomos mean?
Indivisible
he suggested that Atomos were
eternal
and could not be
destroyed
Democritus
They rejected the theory of
Democritus
and accepted the theory of
Empedocles
Plato
and
Aristotle
Aristotle
didn't believe in the theory of
atoms
because it would be putting a
restriction
on the
gods
He added a
fifth element
which is "
Aether
"
Aristotle
Dark matter consist of?
90%
See all 21 cards