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The total number of subshells in nth  main energy level are:
 

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Important Questions on Structure of Atom

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 23
Which of the following orbitals does not make sense:
 
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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 24
If the value of Azimuthal Quantum Number $\ell$ for an electron in a particular subshell is 3 then the minimum value of shell number associated with this electron can be:
 
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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 25
Which of the following sets of quantum numbers can be correct for an electron in 4 f -orbital:
 
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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 26
What is the maximum possible number of electrons in an atom with (n+l=7):
 
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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 42
A photon in B region is more energetic than in the visible region. What is the region of B?
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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 43
Which coloured photon has the maximum energy?
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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 44
What is the frequency of yellow light of wavelength 600 nm?
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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 45
What is the wavenumber of the radiations of frequency 4×104 Hz?