Tag: Modern Periodic Law

Mendeleev and Modern Periodic Law

Mendeleev and Modern Periodic Law: Mendeleev Periodic Law: The physical and chemical properties of elements are a periodic function of their atomic weights. Important Points: Eight vertical columns called groups. These are numbered as I, II, III, IV, V, VI, VII, VIII. Each group is further divided into two sub-groups ‘A‘ and ‘B‘. ‘A‘ group is …