jee_main_2025_08_april_evening - Structure of Atom Topics

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QUESTION #40 Quantum Numbers and Electronic Configuration
Identify the correct statements for an element possessing atomic number 9: A. There can be 5 electrons for which mₛ = +(1)/(2) and 4 electrons for which mₛ = -(1)/(2). B. There is only one electron in the pz orbital. C. The last electron goes into an orbital described by quantum parameters n = 2 and l = 1. D. The sum of angular nodes of all populated atomic orbitals is 1. Choose the correct answer from the options given below:
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QUESTION #47 Bohr's Model
The energy of an electron in the first Bohr orbit of the Hydrogen atom is -13.6 eV. The magnitude of the energy value of an electron in the first excited state of the Be³⁺ ion is _________ eV (as the nearest integer value).
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Rankbit System
JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%) | JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%)

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