29 JEE Main 2023 Structure of Atom previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2023 previous-year questions from the Structure of Atom chapter of Chemistry. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Structure of Atom chapter hub.
Following figure shows spectrum of an ideal black body at four different temperatures. The number of correct statement/…
Maximum number of electrons that can be accommodated in shell with n = 4 are:
The wavelength of an electron of kinetic energy 4 . 50 × 10 - 29   J is ________ × 10 – 5   m…
Arrange the following orbitals in decreasing order of energy. A. n = 3 ,   l = 0 ,   m = 0 B. n = 4 ,  …
If wavelength of the first line of the Paschen series of hydrogen atom is 720   nm , then the wavelength of the se…
Given below are two statement : one is labelled as Assertion A and the other is labelled as Reason R Assertion A : 5 f…
The wave function Ψ of 2   s is given by Ψ 2 s = 1 2 2 π 1 a 0 1 / 2 2 - r a 0 e - r / 2 a 0 At r =…
The shortest wavelength of hydrogen atom in Lyman series is λ . The longest wavelength in Balmer series of He + is
If the radius of the first orbit of hydrogen atom is a 0 , then de Broglie’s wavelength of electron in 3 rd orbit…
The number of given orbitals which have electron density along the axis is p x , p y , p z , d xy , d yz , d xz , d z 2…
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