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Atomic Structure

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2025
For hydrogen like species, which of the following graphs provides the most appropriate representation of E vs Z plot for a constant n ?[0pt] [...
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Q JEE MAIN 2025
Given below are two statements :[0pt] Statement (I): It is impossible to specify simultaneously with arbitrary precision, both the linear momentum and the position of...
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Q JEE MAIN 2025
Which of the following statements are correct, if the threshold frequency of caesium is $5.16 \times {10^{14}}\;{\rm{Hz}}$ ? JEE Main Chemistry Hard
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Q JEE MAIN 2025
Which one of the following about an electron occupying the 1 s orbital in a hydrogen atom is incorrect? (Bohr's radius is represented by ${{\rm{a}}_0}$)
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Q JEE MAIN 2025
Which of the following is/are not correct with respect to energy of atomic orbitals of hydrogen atom?[0pt] (A) $1 \mathrm{~s}<2 \mathrm{p}<3 \mathrm{~d}<4 \mathrm{~s}$ (B) $...
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Q JEE MAIN 2025
Which of the following postulate of Bohr's model of hydrogen atom is not in agreement with quantum mechanical model of an atom?
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Q JEE MAIN 2025
For hydrogen atom, the orbital/s with lowest energy is/are :[0pt] (A) 4 s (B) $3 p_{x}$ (C) $3 d_{x^{2}-y^{2}}$ (D) $3 d_{z^{2}}$ (E) $4 p_{z}$...
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Q JEE MAIN 2025
According to Bohr's model of hydrogen atom, which of the following statement is incorrect?
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Q JEE MAIN 2025
Given below are two statements : Statement (I): For a given shell, the total number of allowed orbitals is given by $\mathrm{n}^{2}$. Statement (II): For...
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Q JEE MAIN 2025
If ${a_0}$ is denoted as the Bohr radius of hydrogen atom, then what is the de-Broglie wavelength $(\lambda )$ of the electron present in the...
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