Difficult
How many orbitals in a $Cr$ atom have $l = 0$?
- A$4$
- B$5$
- C$7$
- D$3$
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The value of the azimuthal quantum number $(l)$ for a dumbbell-shaped orbital is ....
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View SolutionThe correct order of decreasing energy for the electrons whose quantum numbers $n$ and $l$ are given below, is
$A$. $n=5, l=2$
$B$. $n=5, l=0$
$C$. $n=4, l=3$
$D$. $n=4, l=1$
$A$. $n=5, l=2$
$B$. $n=5, l=0$
$C$. $n=4, l=3$
$D$. $n=4, l=1$
In an atom,the total number of electrons having quantum numbers $n=4, |m_{l}|=1$ and $m_{s}=-\frac{1}{2}$ is:
What is the difference between the ground state and the excited state of a hydrogen atom?
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View SolutionAn ion with a charge of $-2$ has the electronic configuration $1s^2, 2s^2, 2p^6$. Identify the ion.
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