Difficulty distribution
How the classified questions are distributed by difficulty.
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Practice Atomic Structure - Physical Chemistry - Chemistry previous year questions organised from real papers, with year-wise coverage and clear topic navigation.
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Year-wise coverage for Atomic Structure. Each bar uses a separate theme-derived color.
How the classified questions are distributed by difficulty.
MCQ, numerical, multiple-select and other formats found in these papers.
Top subjects by unique question coverage.
Top topics across the included previous year papers.
Top subtopics inside this exact selection.
Question coverage for the most populated papers. Every active PYP paper remains listed below.
Newest papers appear first. Sort by year, question coverage or name.
| Paper | Year / session | Questions in this view | Open |
|---|---|---|---|
| VITEEE 2024 | 2024 | 2 | View paper |
| VITEEE 2023 | 2023 | 1 | View paper |
| VITEEE 2022 | 2022 | 2 | View paper |
| VITEEE 2021 | 2021 | 4 | View paper |
Practice every matching question in batches of 20, with every available option.
Calculate the wavelength associated with an electron moving with a velocity of \(10^6 \mathrm{~m} / \mathrm{s}\) (mass of electron \(=9.1 \times 10^{-31} \mathrm{~kg}, h=6.6 \times 10^{-34} \mathrm{~kg} \mathrm{~m}^2 \mathrm{~s}^{-1}\) )
What is the total number of electrons that can have the values \(n=2, l=1, s=1 / 2\) in the electronic configuration \(1 s^2 2 s^2 2 p^3\) ?
The orbital diagram in which Aufbau principle is violated is
Which of the following pairs is not correctly matched?
An electron in H-atom in its ground state absorbs 1.50 times as much as energy as the minimum required for its escape \((13.6 \mathrm{~eV})\) from the atom. Thus, KE given to emitted electron is
In which of the following photoelectric effect is observed?
The uncertainty in the momentum of an electron is \(2.0 \times 10^{-8} \mathrm{~kg} \mathrm{~ms}^{-1}\). The uncertainty in its position will be
The number of radial nodes in 3s and 2p respectiely are
Arrange in decreasing order, the energy of $2 s$ orbital in the following atoms $\mathrm{H}, \mathrm{Li}, \mathrm{Na}$ and K .