Give the coordination numbers and write the formulas for each of the following, including all isomers where appropriate:
(a) tetrahydroxozincate(ii) ion (tetrahedral)
(b) hexacyanopalladate(iv) ion
(c) dichloroaurate(i) ion (note that aurum is latin for "gold")
(d) diamminedichloroplatinum(ii)(e) potassium (iii)(f) hexaamminecobalt(iii) hexacyanochromate(iii)(g) dibromobis(ethylenediamine) cobalt(iii) nitrate