Respuesta :
Answer:
they are coloured
they have more than one oxidation state
they have high density
have high melting and boiling points.
Answer:
Properties of transition elements include:
have large charge/radius ratio;
are hard and have high densities;
have high melting and boiling points;
form compounds which are often paramagnetic;
show variable oxidation states;
form coloured ions and compounds;
form compounds with profound catalytic activity;
Explanation: