The sum of primary and secondary valencies of chromium in the complex `CrBr_(3).6NH_(3)` is .

What are primary and secondary valencies?

The primary and secondary valencies of chromium in the complex ion dichlorodioxalatochromium (III) , are respectively

The primary and secondary valencies of the central metal ion in the complex [Co(NH_(3))_(6)]Cl_(3) respectively are

The sum of primary valency and secondary valance of the metal M in the complex [M(en) _2(Ox) ]Cl is L

Primary and secondary valency of platinum in the complex [Pt(en)_(2)Cl_(2)] are