The experimental value of the magnetic moment of a $Mn^{2+}$ complex is $5.96 \ BM$. This indicates that:
- AThe orbital motion and spin motion of the electron are in the same direction.
- BThe orbital motion and spin motion of the electron are in opposite directions.
- CThe electron has no orbital motion; it only has spin motion.
- DThe electron has no spin motion; it only has orbital motion.
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