Periodic properties part 2 family of periodic table

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Detailed explanation about the family of the periodic table. Explanation About 7 periods and 18 groups and 4 blocks and 118 elements. Explanation about the family of alkali metals and the family of alkaline earth metals also explain the family of chalcogens and the family of halogens.

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Thank u for making a video on periodic table

PrityKumari-sbvg