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in Chemistry by (121k points)
which change(s) in eleectron structure occour when a Mn atom is converted to a `Mn^(2+)` ion in the gas phase ?
(P) the number of occupied enrgy levels decreases.
(Q ) the number of half -filled orbitals decreases .
A. P only
B. Q only
C. Both pand Q
D. Neither p nor Q

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