In this post, I am sharing the Class 12 Chemistry Notes Chapter 1 PDF for the students of Intermediate Part 2. The name of this chapter is Periodic Classification of Elements and Periodicity. Students can download the Class 12 Chemistry Chapter 1 Notes PDF on their laptops or mobile. These Chemistry Notes are for all the boards working under the Punjab Board like Gujranwala Board, Lahore Board, Faisalabad Board, Multan Board, Rawalpindi Board, Sargodha Board, DG Kahn Board, and Sahiwal Board. Here are the complete FSC 2nd Year Biology Notes PDF chapters.
FSc 2nd year Chemistry Chapter 1 – Periodic Classification of Elements and Periodicity
INTRODUCTION:
A table obtained by the arrangement of elements into periods and groups is called periodic table.
The development of periodic table is one of the most significant achievement in the history of chemistry.
The periodic tables provides of basic framework to study the periodic behaviour of physical and chemical properties of elements as well as their compounds.
HISTORICAL BACKGROUN
He organized the know elements and compounds. His classification was based upon the physical and chemical properties of elements and compounds.
Dobereiner
In 1829, Doberenier discovered the families of elements which have a same chemical properties. One family of elements consists of three elements, so he called it triads. In the table each vertical column given is triad.
How to Download 2nd year Chemistry Chapter 1 Notes Periodic Classification of Elements and Periodicity
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