XI Unit III: Classification of Elements and Periodicity in Properties

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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Study Material:

NCERT   NIOS

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Previous year question:

• CBSE
• BSEB
• Maharashtra Higher Secondary Education
• Uttar Pradesh Madhyamik Shiksha Parishad
• WBCHSE
• Directorate of Government Examinations Tamil Nadu
• Board of Secondary Education, Madhya Pradesh
• Karnataka Department of Pre-University Education
• JEE
• NEET
•  

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ANIMATIONS 

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Online MCQ Test 

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