Pre-Aice Chem

Who discovered the electron

• JJ Thomson

• Chadwick

• Dalton

• Rutherford

Who created a model of the atom, with electrons moving around the nucleus in fixed orbits?

• Mr. DeSousa

• Albert Einstein

• Democritus

• Bohr

Who was the first to make Atomic theory?

• Bohr

• Democritus

• Dalton

• Heisenberg

James Chadwick did his work in 1902

• True

• False

Who used the cathode ray tube in their discovery?

• JJ Thomson

• Rutherford

• Obama

• Dalton

When did Democritus do work?

• 1803

• 1932

• 370 BC

• 1897

Bohr was the first to have an atomic theory

• Cierto

• Falso

Who did the "gold foil" experiment?

• Dalton

• Heisenburg

• Bohr

• Rutherford

Tags

NGSS.HS-PS1-8

Who was a Greek philosopher?

• Chadwick

• Rutherford

• Democritus

• Heisenberg

Who worked with the quantum theory?

• Abraham Lincoln

• Heisnberg

• Bohr

• Dalton

Tags

NGSS.HS-PS4-3