Which of the following statements about Rutherford's model of atom are correct? (i) considered the nucleus as positively charged (ii) established that the α-particles are four times as heavy as a hydrogen atom (iii) can be compared to solar system (iv) was in agreement with Thomson's model
Rutherford's 'alpha (α) particles scattering experiment' resulted in to discovery of
Rutherford's α–particle scattering experiment showed that (i) electrons have negative charge (ii) the mass and positive charge of the atom is concentrated in the nucleus (iii) neutron exists in the nucleus (iv) most of the space in atom is empty Which of the above statements are correct?
Atomic models have been improved over the years. Arrange the following atomic models in the order of their chronological order (i) Rutherford's atomic model (ii) Thomson's atomic model (iii) Bohr's atomic model
Why did Rutherford select a gold foil in his α–ray scattering experiment?
Match the names of the Scientists given in column A with their contributions towards the understanding of the atomic structure as given in column B (A) (B) (a) Ernest Rutherford (i) Indivisibility of atoms (b) J.J.Thomson (ii) Stationary orbits (c) Dalton (iii) Concept of nucleus (d) Neils Bohr (iv) Discovery of electrons (e) James Chadwick (v) Atomic number (f) E. Goldstein (vi) Neutron (g) Mosley (vii) Canal rays
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