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Atomic Structure

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2002
When the excited electron of a H atom from n = 5 drops to the ground state, the maximum number of emission lines observed are...
JEE Main Chemistry Easy
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Q JEE MAIN 2022
Given below are two statements. One is labeled as Assertion A and the other is labeled as Reason R.
Assertion A : Energy of 2s...
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Q JEE MAIN 2022
The minimum uncertainty in the speed of an electron in an one dimensional region of length $2 a_0$ (Where $\mathbf{a}_0=$ Bohr radius 52.9 pm )...
JEE Main Chemistry Medium
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Q JEE MAIN 2022
If the wavelength for an electron emitted from H -atom is $3.3 \times 10^{-10} \mathrm{~m}$, then energy absorbed by the electron in its ground state...
JEE Main Chemistry Medium
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Q JEE MAIN 2022
The wavelength of an electron and a neutron will become equal when the velocity of the electron is x times the velocity of neutron. The...
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Q JEE MAIN 2022
JEE Main Chemistry Easy
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Q JEE MAIN 2022
The correct decreasing order of energy, for the orbitals having, following set of quantum numbers: (A) $\mathrm{n}=3, \ell=0, \mathrm{~m}=0$ (B) $n=4, \ell=0, m=0$ (C) $...
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Q JEE MAIN 2022
Identify the incorrect statement from the following.
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Q JEE MAIN 2022
Given two statements below :
Statement I : In Cl2 molecule the covalent radius is double of the atomic radius of chlorine.
Statement II :...
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Q JEE-Main 2022
Which of the following sets of quantum numbers is not allowed ?
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