Which of the following is/are not correct with respect to energy of atomic orbitals of hydrogen atom?
$A$. $1s < 2p < 3d < 4s$
$B$. $1s < 2s = 2p < 3s = 3p$
$C$. $1s < 2s < 2p < 3s < 3p$
$D$. $1s < 2s < 4s < 3d$
Choose the correct answer from the options given below:

  • A
    $B$ and $D$ only
  • B
    $A$ and $C$ only
  • C
    $C$ and $D$ only
  • D
    $A$ and $B$ only

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Similar Questions

Describe the orbitals with the following quantum numbers using $s, p, d, f$ notations:
$(a) \ n = 2, l = 1$
$(b) \ n = 4, l = 0$
$(c) \ n = 5, l = 3$
$(d) \ n = 3, l = 2$

The correct order of increasing energy of atomic orbitals is

While filling up of electrons in the atomic orbitals,the $4s$ orbital is filled before the $3d$ orbital but reverse happens during the ionisation of the atom. Explain why?

Which electronic level would allow the hydrogen atom to absorb a photon but not to emit a photon?

The electronic configuration $1s^2, 2s^2 2p^5, 3s^1$ represents:

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