State Aufbau Principle.

Important Questions on Structure of Atom

HARD

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 3 - Structure of Atom>QUESTIONS>Q 2

An atom has its $\mathrm{K}$ and $\mathrm{L}$ shells completely filled and five electrons in $\mathrm{M}$- shell. Find out the total number of $\mathrm{p}$ electrons.

MEDIUM

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 3 - Structure of Atom>QUESTIONS>Q 3

Which quantum number has different values for the two electrons of helium atom ?

MEDIUM

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 3 - Structure of Atom>QUESTIONS>Q 4

Electronic configuration of an atom is $1{\mathrm{s}}^2 2{\mathrm{s}}^2 2{\mathrm{p}}^6 3{\mathrm{s}}^2$. Determine its atomic number. How many neutrons are present in the nucleus if its atomic wt is $24$ ?

MEDIUM

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 3 - Structure of Atom>QUESTIONS>Q 5

State the number of neutrons and protons present in ${\mathrm{C}}^{12}$ and ${\mathrm{C}}^{14}$.

MEDIUM

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 3 - Structure of Atom>QUESTIONS>Q 6

Give the quantum numbers of electron in hydrogen atom.

MEDIUM

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 3 - Structure of Atom>QUESTIONS>Q 7

Calculate the energy of photon having frequency of $1\times {10}^{45} {\sec }^{-1}$ (Planck's constant $\mathrm{h}=6.63\times {10}^{-34} \mathrm{Js}$)

MEDIUM

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 3 - Structure of Atom>QUESTIONS>Q 8

Name the different spectra of $\mathrm{H}$-atom.

EASY

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 3 - Structure of Atom>QUESTIONS>Q 9

Write de Broglie equation.