Gen Chem Help PLEEEZEEE?

Question

General Chem help!!!!?

AKKKKK I'm freaking out here!!! pleasseeee help I have to get this quetion right or else I'm screwwed

Match each species below with the correct number of d electrons (n of dn) for the central metal ion.
1) [RhCl6]3- A. 6
2) Na2[Os(CN)6] B. 4
3) [Mn(CN)6]2- C. 8
4) [Ru(NH3)5Cl]SO4 D. 5
5) Ca[IrF6] E. 3
F. 7

I'm pretty sure 5 is B but not so sure about the others!!! Thanks so much! :))))

Answer 1

1. A (Rh3+)
2. B (Os4+)
3. E (Mn4+)
4. D (Ru3+)
5. D (Ir4+)

Answer 2

Already answered, please consult the question you asked earlier.