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Chemistry Chapter 4 | 2nd Year

 Chapter 4 Notes | Chemistry 2nd Year "Group V-A And Group VI-A Elements" Group V-A elements General characteristics of Nitrogen family Difference of Nitrogen from other family members Nitrogen and its compounds Occurrence…

Chemistry Chapter 2 | 2nd Year

 Chapter 2 Notes | Chemistry 2nd Year "S-Block Elements" The elements of group IA except hydrogen are called ‘alkali metals’ while those group IIA are named as alkaline-earth metals. Alkali metals have only one electron in…

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