Discovery of the Atom

The tiny particles called corpuscles are actually ________

• atoms

• electrons

• cathode

• anode

In the plum pudding model, what charge was found in the centre of the atom that kept the electrons attracted to it?

• positive

• negative

Who discovered the nucleus after conducting the famous Gold Foil experiment?

• Ernest Rutherford

• Neils Bohr

• JJ Thomson

• John Dalton

Which philosopher is credited with developing the idea of the atom (atomos)?

• Aristotle

• Democritus

• Thales

• Anaximander

Who developed the solid-sphere model of the atom?

• JJ Thomson

• Ernest Rutherford

• Neils Bohr

• John Dalton

Who developed an atomic model that had electrons jumping between energy levels?

• JJ Thomson

• Ernest Rutherford

• Neils Bohr

• Heisenberg and Schrodinger

Which scientist developed the Atomic Theory of Matter

• JJ Thomson

• Ernest Rutherford

• John Dalton

• Neils Bohr

Who developed the cloud model of the atom?

• Ernest Rutherford

• John Dalton

• Neils Bohr

• Heisenberg and Schrodinger

The Cathode Ray Tube experiment led to this model that was developed by ___.

• JJ Thomson

• John Dalton

• Ernest Rutherford

• Democritus

Who determined that the atom is mostly EMPTY SPACE?

• JJ Thomson

• Ernest Rutherford

• John Dalton

• Heisenberg and Schrodinger