Atomic Theories, Quantum Numbers and Electron Configurations

Who proposed that atoms are indivisible solid spheres?

• John Dalton

• J.J. Thomson

• Niels Bohr

• Ernest Rutherford

Which scientist discovered the electron?

• Ernest Rutherford

• James Chadwick

• J.J. Thomson

• Niels Bohr

What experiment led to the discovery of the nucleus?

• Oil Drop Experiment

• Gold Foil Experiment

• Cathode Ray Tube

• Double Slit Experiment

What is the model of the atom proposed by Dalton called?

• Plum Pudding Model

• Solid Sphere Model

• Planetary Model

• Quantum Model

Which atomic model is also called the Raisin Bread Model?

• Bohr Model

• Plum Pudding Model

• Quantum Mechanical Model

• Solid Sphere Model

Who discovered the neutron?

• Erwin Schrödinger

• Werner Heisenberg

• James Chadwick

• Albert Einstein

Which model described electrons orbiting the nucleus like planets?

• Bohr Model

• Dalton Model

• Quantum Model

• Rutherford Model

Rutherford's model showed that the atom is mostly ______.

• solid

• positive charge

• empty space

• electrons

Which scientist suggested the electron cloud model?

• Schrödinger & Heisenberg

• Dalton

• Bohr

• Thomson

The quantum mechanical model is based on ______.

• Newton's Laws

• Quantum Mechanics

• Classical Mechanics

• Relativity