Structure of Atom Quiz 3 – Punjab Meritorious School Preparation Portal

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"Electrons are filled in energy orbitals, in increasing order of energy." This statement is related to

Planck's rule

Hund's rule

Pauli's rule

Aufbau principle

Zeeman effect refers to the :

splitting up of the lines in an emission spectrum in the presence of an external electrostatic field

random scattering of light by colloidal particles

splitting up of the lines in an emission spectrum in a magnetic field

emission of electrons from metals when light falls upon them

Correct set of four quantum numbers for valence electron of rubidium (Z = 37) is

5, 0, 0, + 1/2

5, 1, 0, + 1/2

5, 1, 1, + 1/2

6, 0, 0, + 1/2

Identify the correct statement:

Which one is correct for the de-Broglie equation?

E = λ/p

p = h/λ

E = h/p

(d) none of these

The maximum number of electrons in p-orbital with n = 6; m = 0 is

6

2

14

10

The allowed values of m for l = 2 is

0, ± 1

± 1, ± 2

0, ± 1, ± 2

0, ± 2

Pick out the isoelectronic structure from the following:

(i) CH₃⁺ (ii) H₃O⁺ (iii) NH₃ (iv) CH₃^-

i and ii

iii and iv

ii, iii and iv

iii, iv and i

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