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Atomic Theory progression

Published on Nov 23, 2015

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PRESENTATION OUTLINE

1.

ATOMIC THEORY

TIMELINE OF HOW WE UNDERSTAND ATOMS
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2.

5TH CENTURY BC

DEMOCRITUS
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3.

CONCEPT OF ATOMS

  • Atom=indivisible
  • Everything is composed of atoms
  • Atoms are always in motion
  • There are infinite #of atoms
  • There are infinite kind of atoms
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4.

JOHN DALTON

1804 MANCHESTER, ENGLAND
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5.

"BILLIARD BALL THEORY"

  • Atoms were hard spheres without parts
  • Law if multiple proportions
  • Compounds can be represented in whole number ratios
  • Atoms were extremely small
  • Atoms can not be divided into smaller parts
Photo by Leo Hidalgo (@yompyHERE)
6.

Untitled Slide

Kim Milne

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