Key People

Question 1

All substances are made of atoms
Atoms cannot be created divided or destroyed
Atoms of the same element are exactly alike
Atoms join with other atoms to make new substances

Answer 1

John Dalton

Question 2

Used the cathode ray tube to discover electrons created the cathode ray experiment

Answer 2

J. J Thomson

Question 3

Used positively and negatively charged plates to attract electrons caused the invisible beam to glow after being pulled towards the plate

Answer 3

Cathode Ray Tube Experiment

Question 4

Came up with the theory of an undividible paricle

Answer 4

Democritus

Question 5

Shot positively charged particles at a piece of gold foil most went right through som richocheted and few bounced back discovered the nucleus

Answer 5

Ernest Rutheford

Question 6

Shot positively charged particles at a piece of gold foil most went right through som richocheted and few bounced back discovered the nucleus

Answer 6

Ernest Rutheford