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The D-And-f-Block Elements
Question
Calculate tht ‘spin only’ magnetic moment of M2+(aq) ion (Z = 27).
Solution
Atomic number (27) = [Ar]3d74s2
M2+ = [Ar] 3d7 
thus it have three unpaired electrons
therefore magnetic momen is
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Some More Questions From The d-And-f-Block Elements Chapter
On what ground can you say that scandium (Z = 21) is a transition element but zinc (Z = 30) is not?
The outer electronic configuration of copper is 3d10 4s1, yet it is considered transition element. Why?
Why the melting points of transition elements are high?
Why Zn, Cd and Hg are not regarded as transition elements?
Name the first element of 3rd transition series.
Though copper, silver and gold have completely filled sets of d-orbitals yet they are considered as transition metals. Why?
Why are transition elements so named?
Why are transition elements known as d-block elements?
Write the general electronic configuration of d-block elements.
Why do some exceptions to the general electronic configuration of d-block elements exists?
Mock Test Series
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