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
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
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
The ratio of the radii of hydrogen atom and its nucleus is ~ 10⁵. Assuming the atom and the nucleus to be spherical, (i) what will be the ratio of their sizes? (ii) If atom is represented by planet earth 'Re' = 6.4 ×10⁶ m, estimate the size of the nucleus.
In what way is the Rutherford's atomic model different from that of Thomson's atomic model?
Arrange the following atomic model's experiments in the order of their chronology. (I) Rutherford's atomic model (II) Thomson's atomic model (III) Bohr's atomic model
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