Consider the hypothetical situation where the azimuthal quantum number, l , takes values 0 , 1 , 2 , … … . . n + 1 . Where n is the principal quantum number. Then, the element with atomic number:

13 has a half-filled valence subshell

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There are three possible values $(- \frac{1}{2}, 0, + \frac{1}{2})$ for the spin magnetic quantum number $(m_{s})$ . Which of the following statements(s) is/are correct regarding a hypothetical periodic table based on this condition?

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Important Questions on Atomic Structure

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Chemistry>Physical Chemistry>Atomic Structure>Quantum Numbers

Which of the following is an incorrect set of quantum members?

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Chemistry>Physical Chemistry>Atomic Structure>Quantum Numbers

The number of subshells associated with

n = 4

and

m = - 2

quantum numbers is:

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Chemistry>Physical Chemistry>Atomic Structure>Quantum Numbers

The orbital angular momentum of an electron is

2 s

orbital is

EASY

Chemistry>Physical Chemistry>Atomic Structure>Quantum Numbers

The maximum number of electrons in an atom in which the last electron filled has the quantum numbers

n = 3, l = 2

and

m = - 1

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Chemistry>Physical Chemistry>Atomic Structure>Quantum Numbers

The quantum number of four electrons are given below:

I . n = 4, l = 2, m_{l} = - 2, m_{s} = - 1 / 2

I I . n = 3, l = 2, m_{l} = 1, m_{s} = + 1 / 2

I I I . n = 4, l = 1, m_{l} = 0, m_{s} = + 1 / 2

I V . n = 3, l = 1, m_{l} = 1, m_{s} = - 1 / 2

The correct order of their increasing energies will be:

EASY

Chemistry>Physical Chemistry>Atomic Structure>Quantum Numbers

Which one of the following electronic arrangements is absurd?

MEDIUM

Chemistry>Physical Chemistry>Atomic Structure>Quantum Numbers

Consider the hypothetical situation where the azimuthal quantum number,

l

, takes values

0, 1, 2, \dots \dots . . n + 1

. Where n is the principal quantum number. Then, the element with atomic number:

EASY

Chemistry>Physical Chemistry>Atomic Structure>Quantum Numbers

The correct set of quantum numbers for the unpaired election of chlorine atom is

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Chemistry>Physical Chemistry>Atomic Structure>Quantum Numbers

Which of the following combination of statements is true regarding the interpretation of the atomic orbitals?

(A)

An electron in an orbital of high angular momentum stays away from the nucleus than an electron in the orbital of lower angular momentum.

(B)

For a given value of the principal quantum number, the size of the orbit is inversely proportional to the azimuthal quantum number.

(C)

According to wave mechanics, the ground state angular momentum is equal to

\frac{h}{2 π}

(D)

The plot of

ψ

r

for various azimuthal quantum numbers, shows peak shifting towards higher

r

value.

EASY

Chemistry>Physical Chemistry>Atomic Structure>Quantum Numbers

Among the following, the energy of

2 s

orbital is lowest in:

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Chemistry>Physical Chemistry>Atomic Structure>Quantum Numbers

Among the following, the incorrect statement is

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Chemistry>Physical Chemistry>Atomic Structure>Quantum Numbers

The angular momentum of electron in

d

-orbital is equal to

EASY

Chemistry>Physical Chemistry>Atomic Structure>Quantum Numbers

The correct set of quantum numbers for the unpaired electron of

Cu

atom is :

EASY

Chemistry>Physical Chemistry>Atomic Structure>Quantum Numbers

The difference between orbital angular momentum of an electron in a

4 f

-orbital and another electron in a

4 s

-orbital is

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Chemistry>Physical Chemistry>Atomic Structure>Quantum Numbers

The number of orbitals with

n = 5, m_{1} = + 2

is ________. (Round off to the Nearest Integer).

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Chemistry>Physical Chemistry>Atomic Structure>Quantum Numbers

How many quantum numbers are required to define the electron in an atom?

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Chemistry>Physical Chemistry>Atomic Structure>Quantum Numbers

The Azimuthal quantum number for the valence electrons of

{Ga}^{+}

ion is (Atomic number of

Ga = 31

)

EASY

Chemistry>Physical Chemistry>Atomic Structure>Quantum Numbers

What is the maximum number of orbitals that can be identified with the following quantum number

n = 3, l = 1, m = 0

HARD

Chemistry>Physical Chemistry>Atomic Structure>Quantum Numbers

Maximum number of electrons that can be accommodated in the subshell with azimuthal quantum number

l = 4

is.

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Chemistry>Physical Chemistry>Atomic Structure>Quantum Numbers

The correct set of four quantum numbers for the valence electrons of rubidium atom

(Z = 37)

There are three possible values -12 , 0, +12 for the spin magnetic quantum number ms. Which of the following statements(s) is/are correct regarding a hypothetical periodic table based on this condition?

Important Questions on Atomic Structure

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There are three possible values $(- \frac{1}{2}, 0, + \frac{1}{2})$ for the spin magnetic quantum number $(m_{s})$ . Which of the following statements(s) is/are correct regarding a hypothetical periodic table based on this condition?