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प्रश्न
Write down the electronic configuration of Pm3+.
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उत्तर
Pm3+ (61): 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s0 5d0 4f4
Or,
[Xe] 4f4
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संबंधित प्रश्न
Explain giving reasons:
Transition metals and many of their compounds show paramagnetic behaviour.
Write down the electronic configuration of Cr3+.
Write down the electronic configuration of Ce4+.
Write down the electronic configuration of Co2+.
Write down the electronic configuration of Mn2+.
Write down the electronic configuration of Th4+.
Account for the following:
Mn2+ is more stable than Fe2+ towards oxidation to +3 state.
Which transition metal of 3d series has positive E° (M2+/M) value and why?
Out of Cr3+ and Mn3+, which is a stronger oxidising agent and why?
Which among the following elements does not belong to the first transition series?
Which among the following is not considered as a part of transition elements?
Which of the following compounds is expected to be colored?
Zn2+ ion is iso – electronic with
Electronic configuration of manganese (Z = 25) is ______
Name the element of 3d series which exhibits the largest number of oxidation states. Give reason.
Give reason for the following statements:
Scandium (Z = 21) is a transition element but Zn (Z = 30) is not.
Define transition metals.
Assertion (A) : Copper is a non-transition element.
Reason (R) : Copper has completely filled d-orbitals in its ground state.
