Easy
Following Hund's rule,which element contains six unpaired electrons?
- A$Fe$
- B$Co$
- C$Ni$
- D$Cr$
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Similar Questions
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?
Medium
View SolutionIn an atom,how many orbital$(s)$ will have the quantum numbers $n = 3, l = 2$ and $m_l = +2$?
For $3d_{z^2}$ calculate the value of $n, \ell, m$ and $s$.
Medium
View SolutionThe atomic numbers of elements $X, Y$ and $Z$ are $19, 21$ and $25$ respectively. The number of electrons present in the $M$-shell of these elements follow the order:
The total maximum number of electrons possible in $3d$,$6d$,$5s$,and $4f$ orbitals with $m_l$ (magnetic quantum number) value $-2$ is
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