23 | 24 | 25 | 26 | 27 | 23 | 24 |
25 | 28 | 24 | 29 | 19 | 20 | x |
23 | 24 | 25 | 26 | 27 | 28 |
2+22+23+24+25+26+27+28+29+210+211 =___
Which one of the following cyano complexes would exhibit the lowest value of paramagnetic behaviour?
(Atomic Numbers: Cr=24; Mn=25; Fe=26; Co=27)