4
Unit
Unit
Unit
Unit
Unit4
Rationalised 2023-24
90
Chemistry
the non-transition elements Hence, transition elements
and their compounds are studied separately However,
the usual theory of valence as applicable to the non-
transition elements can be applied successfully to the
transition elements also Various precious metals such as silver, gold and
platinum and industrially important metals like iron,
copper and titanium belong to the transition metals series