TEST: Chemistry Unit 4: The Discovery of Atoms

Who is the father of atomic theory?

• Curie

• Thomson

• Dalton

• Rutherford

Who discovered the electron?

• Curie

• Thomson

• Dalton

• Rutherford

Who expressed particles by wave equations?

• Curie

• Rutherford

• Schrodinger

• Bohr

Who did research on radioactivity?

• Curie

• Rutherford

• Schrodinger

• Bohr

Who designed the "open spaces" model?

• Curie

• Rutherford

• Schrodinger

• Bohr

Who applied quantum theory to atoms?

• Curie

• Rutherford

• Schrodinger

• Bohr

Research has shown that the electrons orbit the nucleus in circular motions as shown on the classic Bohr model.

• True

• False

Scientists have not yet determined exactly why electrons do not collapse into the nucleus.

• True

• False

Complete the sentence: Select all that apply: Marie and Pierre's discoveries included_

• X-rays

• uranium

• radium

• polonium

Complete the sentence: Select all that apply: The discoveries of Niels Bohr were _

• the charge on the electron

• quantum energy emissions

• orbits of electrons

• static electricity