Rutherford's Atomic Model

Q. According to Rutherford's atomic model, revolve around the nucleus in circular orbits.

1. electrons
2. protons
3. neutrons

Q.

The alpha particles used in Rutherford’s experiment are positively charged particles, in fact each one consists of?

1. 2 protons and 2 neutrons

2. 1 proton and 2 neutrons

3. 1 proton and 1 neutrons

4. None of the above

Q. Rutherford's atomic model failed to explain the of an atom.

1. stability
2. neutrality
3. charge

Q. Particles which were deflected backward in Rutherford's experiment were hit upon by ________.

1. electrons
2. ions
3. nucleus
4. empty space

Q.

Which of the following was not an observation made during alpha particle scattering experiment?

1. Most of the fast moving alpha particles passed straight through the gold foil

2. Some of the alpha particles were deflected by the foil at small angles

3. Very small amount of particles (one out of every 12000 particles) appeared to rebound

4. All of these

Q. Rutherford concluded that most space inside an atom is empty.

1. True
2. False

Q. What are the limitations of E. Rutherford’s model of an atom?

[2 Marks]
[Exemplar]
[Rutherford's atomic models]

Q. Rutherford did not specify the arrangement of ________ in each orbit around nucleus.

1. electrons
2. nucleons
3. protons
4. neutrons

Q. One of the drawbacks of Rutherford's Atomic Model is that it failed to explain ______ of atoms.

1. charge
2. size
3. shape
4. stability

Q. Rutherford discovered that the center of an atom is charged.

1. positive
2. negative
3. neutral

Q.

Who performed the gold-foil experiment?

1. John Dalton
2. Max Planck
3. Niels Bohr
4. Ernest Rutherford