Wtite the characteristic properties of transition elements.

Explanation

Characterstic properties of d-block elements:
(1) They are hard and heavy metals.
(2) They possess high density, melting and boiling points.
(3) They are good electrical and thermal conductors.
(4) They exhibit variable oxidation states.
(5) Most of these are metals and their ions are paramagnetic.
(6) They and their ions exhibit colour.
(7) They and their oxides act as catalysts.
(8) They form alloys.