1.

The electronic configuration (outermost) of \[M{{n}^{+2}}\] ion (atomic number of \[Mn=25\]) in its ground state is [MP PET 1993]

A.                 \[3{{d}^{5}},4{{s}^{0}}\]               
B.                 \[3{{d}^{4}},4{{s}^{1}}\]
C.                 \[3{{d}^{3}},4{{s}^{2}}\]               
D.                 \[3{{d}^{2}},4{{s}^{2}}4{{p}^{2}}\]
Answer» B.                 \[3{{d}^{4}},4{{s}^{1}}\]


Discussion

No Comment Found

Related MCQs