Chemistry>Chapter 4 - Structure of Atom>Exercises>Q 6

HARD

11th Maharashtra Board

IMPORTANT

Earn 100

Draw shapes of $2 s$ and $2 p$ orbitals.

Important Questions on Structure of Atom

MEDIUM

11th Maharashtra Board

IMPORTANT

Chemistry>Chapter 4 - Structure of Atom>Exercises>Q 1

The value of Planck's constant is -

EASY

11th Maharashtra Board

IMPORTANT

Chemistry>Chapter 4 - Structure of Atom>Exercises>Q 6

Explain in brief, the significance of azimuthal quantum number.

HARD

11th Maharashtra Board

IMPORTANT

Chemistry>Chapter 4 - Structure of Atom>Exercises>Q 6

If

n = 3,

what are the quantum numbers

l

and

m_{l}

?

HARD

11th Maharashtra Board

IMPORTANT

Chemistry>Chapter 4 - Structure of Atom>Exercises>Q 6

The electronic configuration of oxygen is written as

1 s^{2} 2 s^{2} 2 p_{x}^{2} 2 p_{y}^{1} 2 p_{z}^{1}

and not as

1 s^{2} 2 s^{2} 2 p_{x}^{2}, 2 p_{y}^{2} 2 p_{z}^{0},

Explain?

MEDIUM

11th Maharashtra Board

IMPORTANT

Chemistry>Chapter 4 - Structure of Atom>Exercises>Q 6

Write note on 'principal quantum number'.

HARD

11th Maharashtra Board

IMPORTANT

Chemistry>Chapter 4 - Structure of Atom>Exercises>Q 6

Using concept of quantum numbers, calculate the maximum numbers of electrons present in the

' M'

shell. Give their distribution in shells, subshells and orbitals.

MEDIUM

11th Maharashtra Board

IMPORTANT

Chemistry>Chapter 4 - Structure of Atom>Exercises>Q 6

Indicate the number of unpaired electrons in :

$Si (Z = 14)$ and $Cr (Z = 24)$

EASY

11th Maharashtra Board

IMPORTANT

Chemistry>Chapter 4 - Structure of Atom>Exercises>Q 6

An atom of an element contains $29$ electrons and $35$ neutrons. Deduce the number of protons and write the electronic configuration of that element.