Dinitrogen complexes (n2) of transition metals have attracted considerable attention since the first report of an m(n2) species in 1965. describe the relevance of n, fixing complexes with special reference to the different classes of complex that exist.

Which statement is a reason to support population regulation? a) it is unethical for us to control birth control rates b) humans have the freedom to produce as many children as desired c) the gap between the rich and poor has been narrowing since 1960 d) billions more people on the earth will intensify many environmental and social problems

Which substances have the lowest melting points: ionic covalent, or metallic

Which other elements contain the same number of outer electrons as sodium