D And F Block, Chemistry, Short Notes, 12 Class.
onwards in the periodic table. ➡️ They are mainly divided into three series: 3d series (Sc to Zn), 4d series (Y to Cd), and 5d series (La to Hg, omitting Ce to Lu). ➡️ D-block elements are also known as transition elements because of their position between the s-block and p-block elements in the