Mastering the is essential for Class 12 Chemistry, as this chapter carries significant weight in both CBSE board exams and competitive tests like JEE and NEET. These elements, occupying the central and bottom sections of the periodic table, are known for their complex behavior and industrial importance. 1. Introduction to d-Block Elements (Transition Metals)
The d-block elements comprise groups 3 to 12. They are called because their properties are intermediate between the highly reactive s-block metals and the non-metallic p-block elements. The d- and f Block Elements - ncert d and f block elements class 12 notes pdf download