Exam 1 Scientists

Question 1

Leneippus

Answer 1

First postulated the atomic theory

Question 2

Democritus

Answer 2

first one to use the word “atom” (Uncuttable)

Question 3

Boyle

Answer 3

Gas Laws

Question 4

Lavoisier

Answer 4

Father of Chemistry, first chem textbook

Question 5

Proust

Answer 5

Law of constant composition (compounds have the same composition no matter where it is found and how it was made)

Question 6

Berzelius

Answer 6

First work with limiting reagent and proposed vitalism (living things work by some mysterious “vital force”

Question 7

Dalton

Answer 7

revised the idea of atomic theory (atoms are hard spheres without any internal structure

Question 8

J.J. Thomson

Answer 8

Cathode-ray tube; found the charge to mass ratio of an electron (1.76x10^8); Mass spectrometer

Question 9

Millikan

Answer 9

Oil drop experiment

Question 10

Goldstein and Wien

Answer 10

Discovered the proton with the canal-ray tube

Question 11

Rutherford

Answer 11

Gold Foil Experiment

Question 12

Chadwick

Answer 12

found the neutron

Question 13

Einstein

Answer 13

Wave-particle duality theory