Question 30

Q30Multiple choice

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

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(i) Indivisibility of atoms (b) J.J.Thomson

(iii) Concept of nucleus (d) Neils Bohr

(ii) Stationary orbits (c) Dalton

(iv) Discovery of electrons (e) James Chadwick (v) Atomic number (f) E. Goldstein (vi) Neutron (g) Mosley (vii) Canal rays