Transition metal ions often absorb visible light in promoting electrons from a ground state to an excited state.Why doesn't aluminum(III) ion have this property?
A) It does, and this fact accounts for the color of some gemstones.
B) Aluminum(III) has a noble gas configuration-that of argon.
C) Aluminum(III) has no d electrons.
D) Aluminum(III) has a filled d subshell.
E) The crystal field splitting of the d orbitals in aluminum(III) is very large.
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