History and Atomic Structure Practice

Who first thought of the atom?

• Democritus

• Dalton

• Lavosier

• Rutherford

What was the first atomic model proposed?

• Plum Pudding Model

• Quantum Mechanical Model

• Solid Sphere Model

• Nuclear Model

• Planetary Model

What experiment did Rutherford perform?

• Cathode Ray Tube

• Oil Drop Experiment

• Gold Foil Experiment

• Nuclear Experiment

What did Rutherford discover?

• The Nucleus

• The Neutron

• Atom is mostly empty space.

• The Electron

• The atom is mainly filled with positively charged particles.

Who proposed the first atomic theory?

• Lavosier

• Dalton

• Democritus

• Rutherford

Who discovered the electron?

• J.J. Thompson

• Rutherford

• Goldstein

• Millikan

• Dalton

What is the current atomic model?

• Planetary Model

• Bohr Model

• Quantum Mechanical Model

• Nuclear Model

Bohr stated electrons are on ________.

• orbits

• energy levels

• orbitals

• floating in empty space

In the current atomic model, electrons are located on ________.

• orbits

• energy levels

• orbitals

• in empty space

Which of the following are located in the nucleus?

• electron

• proton

• neutron

• atom