Contact us
Back

Report Issue

Atomic Structure

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2024
Compare the energies of following sets of quantum numbers for multielectron system.
(A) n=4,1=1 (B) n=4,1=2
(C) n=3,1=1 (D) n=3,1=2
(E) n=4,1=0
Choose the correct...
JEE Main Chemistry Medium
View Solution →
Q JEE MAINS 2024
The de-Broglie's wavelength of an electron in the $4^{\text {th }}$ orbit is $\_\_\_\_$ $\pi \mathrm{a}_0 \cdot\left(\mathrm{a}_0=\right.$ Bohr's radius $)$
JEE Main Chemistry Medium
View Solution →
Q JEE MAIN 2024
Frequency of the de-Broglie wave of election in Bohr's first orbit of hydrogen atom is $\times 10^{13} \mathrm{~Hz}$ (nearest integer). [Given : $\mathrm{R}_{\mathrm{H}}($ Rydberg constant...
JEE Main Chemistry Easy
View Solution →
Q JEE-Main_2024
A hypothetical electromagnetic wave is show below. The frequency of the wave is $x \times 10^{19}$...
JEE Main Chemistry Medium
View Solution →
Q JEE MAIN 2024
The value of Rydberg constant (R_H ) is 2.18×〖10〗^(-18) " " J. The velocity of electron having mass 9.1×〖10〗^(-31) " " kg in Bohr's first...
JEE Main Chemistry Easy
View Solution →
Q JEE MAIN 2024
The incorrect postulates of the Dalton's atomic theory are : (A) Atoms of different elements differ in mass. (B) Matter consists of divisible atoms. (C)...
JEE Main Chemistry Easy
View Solution →
Q JEE MAIN 2024
The ionization energy of sodium in $\mathrm{kJmol}^{-1}$. If electromagnetic radiation of wavelength 242 nm is just sufficient to ionize sodium atom is _______ .
JEE Main Chemistry Medium
View Solution →
Q JEE MAIN 2024
The correct set of four quantum numbers for the valence electron of rubidium atom (Z=37) is:
JEE Main Chemistry Easy
View Solution →
Q JEE MAIN 2024
Given below are two statements: Statement-I : The orbitals having same energy are called as degenerate orbitals. Statement-II : In hydrogen atom, 3p and 3"...
JEE Main Chemistry Easy
View Solution →
Q JEE MAIN 2025
Which of the following statements are true? (A) The subsidiary quantum number $l$ describes the shape of the orbital occupied by the electron. (B) is...
JEE Main Chemistry Medium
View Solution →