Atomic Structure Mcqs

Our collections of Multiple choice questions and answers focuses on study of Atomic Structure in Chemistry. These questions are chosen from a collection of most authoritative and best reference books on Chemistry. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, MDCAT, Medical colleges entrance exams, Teaching jobs Tests and Chemical industry job interviews. One should practice our Mcqs to assimilate Atomic Structure in Chemistry comprehensively.

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16.
Which one of the following explain the shape of orbitals

Principal of quantum number

Azimuthal quantum number

Magnetic quantum number

Spin quantum number

21.
Increase in atomic number is observed during

Alpha emission

Beta emission

Both a & b

Radioactivity

24.
The value of e/m ratio of electron is

6.02 x 1023 C/kg

1.7588 x 1020 C/kg

9.1095 x 10-31 C/kg

1.7588 x 1011 C/kg

26.
Rutherford bombarded ______________ particles in discovery of nucleus

Gamma-rays

Alpha-rays

Beta-rays

X-rays

27.
Planks theory says energy is emitted

In continuous manner

Discontinuous manner

Simultaneously

In the form of heat

29.
2nd orbit is _______ away from nucleus of H-atom as compared to 1st orbit is

2-times

3-times

4-times

6 times

30.
The maximum number of orbitals present in a subshell that is represented by Azimuthal quantum number = 3 will be

1

3

5

7

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