Scientists That Contributed

Question 0

J.J Thompson

Answer 0

Discovered electrons, proposed existence of positive particle.
Plum pudding

Question 1

John dalton

Answer 1

Billiard ball
Theory: tiny invisible particles, atoms of one element are the same, different elements =different particles,compounds form when atoms combine.

Question 2

Ernest Rutherford

Answer 2

Discovered proton and nucleus (gold foil experiment) atoms are mostly empty space.
Beehive

Question 3

Niels Bohr

Answer 3

Proposed electrons move in shells

Planet orbit

Question 4

James Chadwick

Answer 4

Discovered neutrons and worked with Rutherford

Question 5

Erwin Schroedinger

Answer 5

Electrons move in clouds uncertainty principle.

Spinning fan blade