Atomic Theory

Proposed the Modern Electron Cloud Model of the atom

• Schrodinger & Heisenberg

• Dalton

• Chadwick

• Rutherford

Discovered the nucleus of the atom through the Gold Foil Experiment

• Rutherford

• Chadwick

• Thomson

• Dalton

Believed that atoms of the same element are identical to each other

• Bohr

• Rutherford

• Dalton

• Thomson

A tiny but very dense, positively charged portion of the atom that holds most of the atomic mass

• Electron Shells

• Orbitals

• Electron Cloud

• Nucleus

Where electrons are likely to be found as they travel around the nucleus

• Nucleus

• Electron Cloud

• Within a Proton

• Within a Neutron

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

• John Dalton

• JJ Thomson

• Earnest Rutherford

• Erwin Schrodinger

What was the name of the model pictured behind this question?

• Oatmeal Model

• Rutherford Model

• Bohr Model

• Plumb Pudding Model

What did Ernest Rutherford discover when he shot particles at gold foil?

• Electrons

• Protons

• Neutrons

• A tiny, dense, positively charged nucleus 

Who was the first person to describe matter as "atoms"?

• Democritus

• Dalton

• Thomson

• Rutherford

Who believed that electrons were scattered amongst positively charged material.

• JJ Thomson

• Ernest Rutherford

• John Dalton

• Niels Bohr