question_answer 64)

  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.

	Column A	Column B
(a)	Ernest Rutherford	(i) Indivisibility of atoms
(b)	JJ Thomson	(ii) Stationary orbits
(c)	Dalton	(iii) Concept or nucleus
(d)	Neils Bohr	(iv) Discovery of electrons
(e)	James Chadwick	(v) Atomic number
(f)	E Goldstein	(vi) Neutron
(g)	Mosely	(vii)Canal rays

Answer:

   

Column A			Column B
(a)	Ernest Rutherford		Concept of nucleus
(b)	JJ Thomson		Discovery of electrons
(c)	Dalton		Indivisibility of atoms
(d)	Neils Bohr	Stationary orbits
(e)	James Chadwick		Neutron
(f)	E Goldstein		Atomic number
(g)	Mosley		Canal rays