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Which of the following is not permissible arrangement of electrons in an atom?

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Important Questions on Structure of Atom

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Beta Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>EXERCISE-II (Previous Year Questions)>Q 6
A 0.66 kg ball is moving with a speed of 100 m/s. The associated warelength will be h=6.6×10-34 Js
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Beta Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>EXERCISE-II (Previous Year Questions)>Q 7
The total number of atomic orbitals in fourth energy level of an atom is
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Beta Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>EXERCISE-II (Previous Year Questions)>Q 8
The energies E1 and E2 of two radiations are 25 eV and 50 eV, respectively. The relation between their wavelengths (i.e., λ1 and λ2) will be
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Beta Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>EXERCISE-II (Previous Year Questions)>Q 9
If n=6, the correct sequence for filling of the electrons will be:
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Beta Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>EXERCISE-II (Previous Year Questions)>Q 10
According to the Bohr Theory, which of the following transitions in the hydrogen atom will give rise to the least energetic photon?
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Beta Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>EXERCISE-II (Previous Year Questions)>Q 11
Smallest wavelength occurs for
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Beta Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>EXERCISE-II (Previous Year Questions)>Q 12
Which of the following statement is wrong for the Bohr's model?
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Beta Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>EXERCISE-II (Previous Year Questions)>Q 13

Maximum number of electrons in a subshell with:

l=3 and n=4 is: