What is Hund's rule?

Important Questions on Atomic Structure

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 1 - Atomic Structure>QUESTIONS>Q 24

Explain Heisenberg's uncertainty principle?

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 1 - Atomic Structure>QUESTIONS>Q 25

What is the wavelength of an electron moving with a velocity of $2.0\times {10}^7 {\mathrm{ms}}^{-1}$?

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 1 - Atomic Structure>QUESTIONS>Q 26

An atomic orbital has $\mathrm{n}=2$, what are the possible values of $\mathrm{l}$ and ${\mathrm{m}}_{\mathrm{l}}$?

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 1 - Atomic Structure>QUESTIONS>Q 27

Which of the following orbitals are possible? $2\mathrm{s}, 1\mathrm{p}, 3\mathrm{f}, 2\mathrm{p}$.

EASY

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 1 - Atomic Structure>QUESTIONS>Q 28

The static electric charge on the oil drop is $-3.2044\times {10}^{-19} \mathrm{C}$. How many electrons are present on it?

HARD

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 1 - Atomic Structure>QUESTIONS>Q 29

Arrange the following type of radiation in increasing order of frequency: (a) X-rays (b) visible radiation (c) microwave radiation and (d) radiation from radio waves.

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 1 - Atomic Structure>QUESTIONS>Q 30

How many electrons in an atom may have $\mathrm{n}=4$ and ${\mathrm{m}}_{\mathrm{s}}=+1/2$?

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 1 - Atomic Structure>QUESTIONS>Q 31

How many sub-shells are associated with $\mathrm{n}=5$?