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

The Billiard Ball is the nickname for ________ theory.

• Dalton
• Neils Bohr
• JJ Thomson
• Ernest Rutherford

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Electron cloud is based on

• Quantum Mechanics
• Gold Foil Experiment
• Matter is made up of small particles called atoms
• Nuclear Theory

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Who discovered the proton?

• Thomson
• Dalton
• Bohr
• Rutherford

He developed the planetary model of the atom.

• Rutherford
• Bohr
• Chadwick
• Dalton

James Chadwick discovered the ________.

• proton
• neutron
• electron
• nucleus

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

• Dalton
• Rutherford
• Bohr
• Chadwick

What did Thomson discover?

• electron
• proton
• neutron
• electron cloud

What does this image represent?

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