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Chem Scientists
Semester 1
8
Chemistry
9th Grade
12/17/2010

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Cards

Term
Democritus
Definition
suggested world is made of empty space and atoms
Term
John Dalton
Definition
Dalton's theory to predict how a pair of elements might combine
Term
Antoine Lavoiser
Definition
1st scientist to show that matter is conserved
Term
Robert Boyle
Definition
emphasized experimental data
Term
Lord Kelvin
Definition
plum pudding model of atom has a uniform pudding of a positive w/ negative raisins
Term
Joseph Proust
Definition
law of proportions
Term
JJ Thompson
Definition
discovered atoms emit negative particles
Term
Ernest Rutherford
Definition
alpha-particle scattering experiment lead to the discovered nucleus
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