1.Ernest Rutherford developed his atomic model based on the observation of which of the following?

A. Line spectra
B. gold foil
C. X-ray
D. hydrogen atom

2.Who among the following developed the atomic model based on the observation of line spectra of the hydrogen atom?

A. Ernest Rutherford
B. William Crookes
C. Niels Bohr
D. James Chadwick

3. The negatively charged particle is called?

A. proton
B. electron
C. isotopes
D. core

4. Bohr model is also called?

A. planetary model
B. super model
C. gold foil
D. raisin-bread model

5. Which of the following statements describes the difference between the Rutherford model from the Bohr model of the atom?

A. The Rutherford model was based on gold foil experiment while the Bhor model was based on spectral lines observation.

B. The Rutherford model does not describe presence of discrete energy levels while the Bohr model explains it.

C. The Rutherford model describes the presence of discrete energy levels while the Bohr model does not explain it.

D. The Rutherford model explains orbital size and energy levels while the Bohr model explains it.

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