Question

The electron was shown experimentally to have wave properties by

A. $$de$$ - Broglie
B. $$N$$ Bohr
C. Davisson and Germer  
D. $${\rm{Schr\ddot odinger}}$$
Answer :   Davisson and Germer
Solution :
The wave nature of an electron is proved by Davisson and Germer experiment. In this experiment the scattering pattern of an electron is similar to that of $$X$$ - rays.

Releted MCQ Question on
Physical Chemistry >> Atomic Structure

Releted Question 1

The number of neutrons in dipositive zinc ion with mass number 70 is

A. 34
B. 36
C. 38
D. 40
Releted Question 2

Rutherford’s experiment on scattering of $$a$$ -particles showed for the first time that the atom has

A. electrons
B. protons
C. nucleus
D. neutrons
Releted Question 3

Any $$p-$$orbital can accommodate upto

A. four electrons
B. six electrons
C. two electrons with parallel spins
D. two electrons with opposite spins
Releted Question 4

The principal quantum number of an atom is related to the

A. size of the orbital
B. spin angular momentum
C. orbital angular momentum
D. orientation of the orbital in space

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Atomic Structure


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