Structure of atom quiz

Who originally proposed the atomic theory?

• Democritus

• Ernest Rutherford

• J.J. Thompson

• John Dalton

What did John Dalton describe atoms as?

• Plum pudding models

• Orbiting electrons

• Solid spheres

• Nuclear models

What model did J.J. Thompson propose?

• Plum pudding model

• Nuclear model

• Orbital model

• Solid sphere model

What did Ernest Rutherford's experiment prove wrong?

• The orbital model

• The plum pudding model

• The solid sphere model

• The atomic theory

What did Niels Bohr suggest about electrons?

• They orbit the nucleus

• They are part of the nucleus

• They are static

• They do not exist

What discovery did James Chadwick make?

• Nucleus

• Electrons

• Protons

• Neutrons

What was the major flaw in Rutherford's model?

• It did not account for neutrons

• It suggested atoms could collapse

• It did not include electrons

• It was based on the solid sphere model

What did further experiments by Rutherford identify in the nucleus?

• Orbiting electrons

• Electrons

• Neutrons

• Protons