Atomic Theory

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

• J.J. Tomson
• Ernest Rutherford
• John Dalton
• Democritus

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

• is the smallest particle of matter
• contains negatively and positively charged particles
• has an overall negative charge
• has an overall positive charge

Which of the following is proposed by Erwin Schrodinger?

• Solar system model of the atom
• Plum pudding model of the atom
• Billiard ball model of the atom
• Electron cloud model of the 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

According to Chadwick, what does the nucleus of an atom contain?

• Electrons and neutrons
• Protons and neutrons
• Neutrinos and positrons
• DNA and RN

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.

What scientist first developed 4 rules for atomic theory, and helped kick start modern chemistry?

• J.J. Tomson
• Ernest Rutherford
• John Dalton
• Democritus

How did Rutherford discover the proton?

• Cathode tube ray experiment
• Gold Foil Experiment
• Planetary Model
• Plum Pudding Model

All matter is made of what?

• Energy 
• Atoms 
• Electrons 
• Compounds 

Who came up with this model of an atom?

• J.J. Thompson
• Ernest Rutherford
• Niels Bohr

• James Chadwick