Medium
Which statement is true regarding the hydrogen atom?
- AThe energy of the $3d$-orbital is lower than the energy of the $3p$-orbital.
- BThe energy of the $3p$-orbital is lower than the energy of the $3d$-orbital.
- CThe energy of $3s$ and $3p$-orbitals is lower than the energy of the $3d$-orbital.
- DAll $3s$,$3p$,and $3d$ orbitals have the same energy.
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Similar Questions
According to which principle is the electronic configuration of nitrogen $1s^2 2s^2 2p_x^1 2p_y^1 2p_z^1$ and not $1s^2 2s^2 2p_x^2 2p_y^1 2p_z^0$?
Medium
View SolutionIdentify the element from the following having six unpaired electrons in its observed electronic configuration.
Match the columns and choose the correct option:
Column-$I$ Column-$II$ $(a)$ $4s$ $(p)$ Circular orbit around nucleus $(b)$ $4p$ $(q)$ Non-directional orbital $(c)$ $1s$ $(r)$ Angular momentum $= 2h/\pi$ $(d)$ $3d$ $(s)$ Radial node is zero
| Column-$I$ | Column-$II$ |
|---|---|
| $(a)$ $4s$ | $(p)$ Circular orbit around nucleus |
| $(b)$ $4p$ | $(q)$ Non-directional orbital |
| $(c)$ $1s$ | $(r)$ Angular momentum $= 2h/\pi$ |
| $(d)$ $3d$ | $(s)$ Radial node is zero |
Medium
View SolutionThe azimuthal quantum number for the last electron of the $Na$ atom is:
Easy
View SolutionFor an electron in the $d$-orbital, the orbital angular momentum is
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