Atomic Theory

Which scientist developed the atomic theory?

• JJ Thomson
• Ernest Rutherford
• John Dalton
• James Chadwick

JJ Thomson's theory was nicknamed _______.

• Billiard Ball Theory
• Solar System Theory
• Electron Cloud
• Plum Pudding

JJ Thomson's theory was nicknamed _______.

• Billiard Ball Theory
• Solar System Theory
• Electron Cloud
• Plum Pudding

He believed atoms were tiny solid spheres of predictable mass for a given element
.

• Dalton
• Neils Bohr
• JJ Thomson
• Ernest Rutherford

Who discovered the proton?

• Thomson
• Dalton
• Bohr
• Rutherford

He developed the planetary model of the atom.

• Rutherford
• Bohr
• Chadwick
• Dalton

What did Thomson discover?

• electron
• proton
• neutron
• electron cloud

James Chadwick discovered the ________.

• proton
• neutron
• electron
• nucleus

Who believed that all matter is made up of small particles called atoms?

• Democritus
• Rutherford
• Bohr
• Chadwick

What does this image represent?

• Billiard Ball Model
• Plum Pudding
• Gold Foil
• Solar System Model