NCERT Book for Class 11 Chemistry Part 1 – (Chapter 3 – Classification Of Elements And Periodicity In Properties)

Chapter 3 – Classification Of Elements And Periodicity In Properties

Chapter 3 – Classification of Elements and Periodicity in Properties explains how elements are arranged in the Modern Periodic Table based on their atomic number and recurring chemical properties. It discusses the development of the periodic table, including contributions by Mendeleev and the modern periodic law, which states that the properties of elements are periodic functions of their atomic numbers.

The chapter mainly focuses on important periodic trends such as atomic radius, ionization enthalpy, electron gain enthalpy, and electronegativity. It also explains the classification of elements into s, p, d, and f blocks and their general characteristics. This chapter is very important for understanding chemical bonding and is crucial for CBSE board exams as well as NEET and JEE preparation.

Classification Of Elements And Periodicity In Properties NCERT

• Chapter 4 – Chemical Bonding And Molecular Structure