Shared Flashcard Set

Details

Title

Chemistry

Description

History of the Atomic Theory

Total Cards

Subject

Chemistry

Level

Not Applicable

Created

11/26/2005

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Additional Chemistry Flashcards

Term

Democritus

Definition

4BC, discovered that the smallest part of any given object is an atom

Term

Dalton

Definition

1810, said that the atom was the smallest INDIVISIBLE particle (false)

Term

JJ Thompson

Definition

1897, found electrons and protons (Plum Pudding model)

Term

Rutherford

Definition

1911, said that protons are in the middle and that electrons revolve around them (focused alpha particles)

Term

Chadwick

Definition

1932, discovered the neutron