For a hydrogen atom,the orbital$(s)$ with the lowest energy is/are:
$A$. $4s$
$B$. $3p_x$
$C$. $3d_{x^2-y^2}$
$D$. $3d_{z^2}$
$E$. $4p_z$
Choose the correct answer from the options given below:

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

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Similar Questions

The value of the azimuthal quantum number for electrons present in the $4p$ orbital is:

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

According to the Aufbau principle,which of the three $4d$,$5p$,and $5s$ will be filled with electrons first?

Arrange the orbitals of $H$-atom in the increasing order of their energy:
$3p_x, 2s, 4d_{xy}, 3s, 4p_z, 3p_y, 4s$

After the $np$ orbital is completely filled,in which orbital does the next electron enter?

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