Classification of Elements and Periodicity in Properties | Class 11th Chemistry | Notes, Important Questions, Previous Years Questions, Sample Papers | As Per New Syllabus

Significance of classification, brief history of the development of periodic table, modern periodic law and the present form of periodic table, periodic trends in properties of elements -atomic radii, ionic radii, inert gas radii, Ionization enthalpy, electron gain enthalpy, electronegativity, valency. Nomenclature of elements with atomic number greater than 100.

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