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02-12-2020
Chemistry

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scientist have grouped the number of elements into

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02-12-2020

7 groups in the periodic table

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02-12-2020

Answer:

columns and rows on the periodic table and groups based on reactivity and such like halogens,noble gases, trans metals, alkali metals, alkaline earth metals, lanthanids, actinids, metalliods, nonmetals and metals.

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