Answers

2016-04-26T13:30:29+05:30
They are all metals, they show variable oxidation state, produce coloured compounds, shows magnetic property, produce complexes etc....
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2016-04-26T13:34:18+05:30
they are also called transition elements
they are metals
very high melting and boiling points
outer electronic configuration remains constant
the atomic volume of transition elements is much lower than those of S and P block elements. 
high ionization energy
small size
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