Models Of Matter In The Atom Flashcards

1
Q

Theorist order

A
Empedocles
Democritus
Aristotle
Dalton
Thompson 
Rutherford
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2
Q

Empedocles

A

4 element model

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3
Q

Democritus

A

Matter could be divided until an indivisible particle was reached
Created the term atom

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4
Q

Aristotle

A

Believed in the 4 element model

Based on logical thinking but not experimentation

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5
Q

Dalton

A

All matter is composed of atoms
All atoms of an element have identical properties
Atoms can join or separate but are not destroyed in chemical reactions
Billiard ball model

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6
Q

Thompson

A

Cathode ray tube

Raisin bun model

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7
Q

Rutherford

A

Predicted that alpha particles would travel largely unaffected by the gold atoms
Gold foil experiment

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