Atomic Theory

Multiple Choice

What did Thomson call his atomic model?

• raisin model
• apple pie model
• banana split model
• plum pudding model

Multiple Choice

What experiment did James Chadwick run that led him to the discovery of the neutron?

• Bombarding carbon with beta particles
• Mixing hydrogen with oxygen
• Heating up gold with gamma rays
• Bombarding beryllium with alpha particles

Multiple Choice

What did Democritus name the small spheres that matter was composed of.

Hint: this word translates to indivisible or uncuttable.

• molecule
• elementary particle
• nucleus
• atomos

Multiple Choice

What did the gold foil experiment prove the existence of?

• electron cloud
• proton
• neutron
• nucleus

Multiple Choice

Who revised the Thomson atomic model after discovering the atomic nucleus?

• Niels Bohr
• J.J. Thomson
• Ernest Rutherford
• Marie Curie