EASY

Earn 100

Pauli's exclusion principle states that in a single atom no two electrons can have the same set of all the four quantum numbers.

50% studentsanswered this correctly

Important Questions on Atomic Structure

EASY

Science>Chemistry>Atomic Structure>Electronic Configuration of Elements

The total number of orbitals associated with the principal quantum number

5

is:

EASY

Science>Chemistry>Atomic Structure>Electronic Configuration of Elements

Which one is a wrong statement?

MEDIUM

Science>Chemistry>Atomic Structure>Electronic Configuration of Elements

Which one of the following statements is wrong?

MEDIUM

Science>Chemistry>Atomic Structure>Electronic Configuration of Elements

In a homonuclear molecule, which of the following set of orbitals is degenerated?

MEDIUM

Science>Chemistry>Atomic Structure>Electronic Configuration of Elements

Which statement is incorrect for the periodic classification of elements?

EASY

Science>Chemistry>Atomic Structure>Electronic Configuration of Elements

The group number, number of valence electrons, and valency of an element with atomic number

15,

respectively, are:

MEDIUM

Science>Chemistry>Atomic Structure>Electronic Configuration of Elements

The electronic configuration which obeys Hund's rule for the ground state of carbon atom is

EASY

Science>Chemistry>Atomic Structure>Electronic Configuration of Elements

Write down the electronic configuration of

{Co}^{2 +}

EASY

Science>Chemistry>Atomic Structure>Electronic Configuration of Elements

The number of valence electrons in an atom with electronic configuration

1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{3}

EASY

Science>Chemistry>Atomic Structure>Electronic Configuration of Elements

The element which readily forms an ionic bond has the electronic configuration

EASY

Science>Chemistry>Atomic Structure>Electronic Configuration of Elements

The number of unpaired electrons in

{Ni}^{2 +}

(atomic number

= 28

) are

EASY

Science>Chemistry>Atomic Structure>Electronic Configuration of Elements

The element with

Z = 120

(not yet discovered) will be a/an

EASY

Science>Chemistry>Atomic Structure>Electronic Configuration of Elements

The orbital nearest to the nucleus is

MEDIUM

Science>Chemistry>Atomic Structure>Electronic Configuration of Elements

4 d, 5 p, 5 f

and

6 p

orbitals are arranged in the order of decreasing energy. The correct option is:

MEDIUM

Science>Chemistry>Atomic Structure>Electronic Configuration of Elements

Energy associated with the first orbit of

{He}^{+}

EASY

Science>Chemistry>Atomic Structure>Electronic Configuration of Elements

Which of the following atoms will have degenerate

2 s

and

2 p

orbitals?

EASY

Science>Chemistry>Atomic Structure>Electronic Configuration of Elements

Which of the following electron is most tightly bound to the nucleus?

EASY

Science>Chemistry>Atomic Structure>Electronic Configuration of Elements

The maximum number of electrons that can be filled in the shell with the principal quantum number

n = 4

MEDIUM

Science>Chemistry>Atomic Structure>Electronic Configuration of Elements

G d (64)

has __ unpaired electrons with sum of its spin as __.

EASY

Science>Chemistry>Atomic Structure>Electronic Configuration of Elements

Magnesium reacts with an element

(X)

to form an ionic compound. If the ground state electronic configuration of

(X)

1 s^{2}, 2 s^{2}, 2 p^{3}

, the simplest formula for this compound is

Pauli's exclusion principle states that in a single atom no two electrons can have the same set of all the four quantum numbers.

Important Questions on Atomic Structure

Learn and Prepare for any exam you want !