NCERT Exemplar Solutions Class 9 Science Solutions for Structure of the Atom - Exercise in Chapter 4 - Structure of the Atom
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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 the nucleus
(d) Neils Bohr – (iv) Discovery of electrons
(e) James Chadwick -(v) Atomic number
(f) E. Goldstein – (vi) Neutron
(g) Mosley – (vii) Canal rays
(A) – (B)
(a) Ernest Rutherford – (iii) Concept of the nucleus
(b) J.J.Thomson – (iv) Discovery of electrons
(c) Dalton – (i) Indivisibility of atoms
(d) Neils Bohr – (ii) Stationary orbits
(e) James Chadwick – (vi) Neutron
(f) E. Goldstein – (vii) Canal rays
(g) Mosley – (v) Atomic number
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