Explain the following observation about the transition elements.
(i) There is in general an increase in density of the element from titanium (Z=22) to copper (Z=29).
(ii) There occurs much more frequent metal-metal bonding in compounds of heavy transition elements (3d series )

Three occurs much more frequently metal-metal bonding in the compounds of heavy transition elements (3d series ). Assign reason.

Why is ghere a general increase in density of elements from titanaium (Z=22) to copper (Z=29) ?

Explain the following observations giving an appropriate reason for each. (i) The enthalpies of atomization of transmition elements are quite high. (ii) There occurs much more frequent matal-matal bonding in compounds of heavy transition metals (i.e, 3^(rd) series). (iii) Mn^(2+) is much more resistant then Fe^(2+) toawards oxidation.

Explain the following observations: (i) Many of the transition elements are known to form interstitial compounds. (ii) There is a general increase in density from titanium (Z = 22) to copper (Z = 29). (iii) The members of the actinoid series exhibit a larger number of oxidation states than the corresponding members of the lanthanoid series.

Explain the following observation: (i) Generally there is an increase in density of elements from titanium (Z=22) to copper (Z=29) in the first series of transition elements. (ii) Transition elements and their compounds are generally found to be catalysts in chemical reactions.

Explain the following properties of transition elements. (i) Variable oxidation states (ii) Complex formation