Atomic Structure MCQ Question with Answer

Atomic Structure MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

Question No : 8
Which of the following atoms has a non-spherical outermost orbital.

Question No : 9
The number of neutrons present in ${}_{19}^{39}K$ are

Question No : 10
In Lyman series an electron jumps from higher energy level to

K energy level

M energy level

N energy level

L energy level

Question No : 11
The wavelength of an electron

is equal to that of light

remains constant with velocity

decreases with an increasing velocity

increases with an decreasing velocity

Question No : 12
No two electrons in an atom can have the same values of all four quantum numbers according to

Hund's rules

Flemming rule

Pauli's exclusion principle

Bohr theory

Question No : 13
The charge on an atom of ${}_{13}^{27}A l$ is

+40

+27

+14

Zero

Question No : 14
Bohr's concept of the orbit in an atom was contradicted by

de Broglie relationship

Uncertainty principle

Planck's hypothesis

Hund's rule

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