Define co-ordination number.

Define coordination number , oxidation number, chelates.

Define co-ordination isomerism and write one co-ordination isomer of : [Co(NH_3)]_6 [Cr(CN)_6] .

Predict the structure of MgO. The radius of Mg^(2+) ion is 65 pm and radius of O^2 ion is 140 pm Also find the co-ordination number

What is the co-ordination number of Cl^(-) in CsCl structure ?

What is the co-ordination number in hcp and ccp ?