Atomic Theory and Structure Quiz

This particle is found in the nucleus and has no charge

• Neutron

• Proton

• Electron

• Orbital

This particle is found in the nucleus and has a positive charge

• Electron

• Proton

• Neutron

• Neutral

This is a negatively charged particle found outside the nucleus

• Electron

• Proton

• Neutron

• Orbital

Rutherford's gold foil experiment provided evidence that...

• Negative and positive charges are spread evenly throughout the atom.

• Alpha particles have a positive charge.

• Gold is not a dense as previously thought.

• There is a dense positively charged nucleus at the center of an atom.

J.J. Thomson provided evidence that an atom...

• is the smallest particle of matter

• contains negatively charged particles

• has an overall negative charge

• has an overall positive charge

What contribution did John Dalton make to atomic theory? 

• He discovered that every atom was positively charged. 

• He discovered that every element consisted of only one type of atom.  

• He discovered that atoms had nucleus. 

• He discovered that atoms could be divided into smaller parts. 

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

• J.J. Thomson

• Ernest Rutherford

• John Dalton

• Democritus

Who stated that all atoms of the same element are exactly alike?

• Democritus

• Dalton

• Thomson

• Borh

How did Rutherford discover the nucleus?

• Cathode tube ray experiment

• Gold Foil Experiment

• Planetary Model

• Plum Pudding Model

Niels Bohr suggested that electrons.......

• are found in specific orbits

• electrons are scattered throughout the atom

• electrons move according to their energy level

• electrons are positive