History of atoms (atomic theory)

Who was the first person to publish a theory about the existence of atoms?

• John Dalton
• JJ Thomson
• Earnest Rutherford
• Erwin Schrodinger

Tags

NGSS.MS-PS1-1

Which scientist is credited with discovering the electron?

• John Dalton
• JJ Thomson
• Ernest Rutherford
• Werner Heisenberg

Tags

NGSS.MS-PS2-3

What particle resides in the nucleus and has no charge?

• Proton
• Neutron
• Electron
• Crouton

Tags

NGSS.HS-PS1-8

What two particles are part of the nucleus of an atom?

• Protons and Electrons
• Electrons and Neutrons
• Protons and Neutrons
• Alpha and Beta

Tags

NGSS.MS-PS1-1

Who came up with the model in which electrons orbit the nucleus in specific levels?

• JJ Thomson
• Earnest Rutherford
• Niels Bohr
• Erwin Schrodinger

This is a negatively charged particle found outside the nucleus

• Electron
• Proton
• Neutron

What scientist is best known for his "Plum Pudding" model of the atom?

• J.J. Tomson
• Ernest Rutherford
• John Dalton
• Democritus

Tags

NGSS.MS-PS1-1

Who first proposed the idea of atoms?

• Democritus

• John Dalton

• Ernest Rutherford

• J.J. Thomson

• Niels Bohr

Which scientist was the first person responsible for discovering that atoms contain a nucleus?

• Democritus

• John Dalton

• Ernest Rutherford

• J.J. Thomson

• Niels Bohr

Whose model of an atom is displayed in the picture?

• Rutherford
• Dalton
• Thomson
• Bohr