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08-10-2020
Physics

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8. How many families (groups) are on the periodic table ?
03
7
18
20

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DestinyLugo20 DestinyLugo20

08-10-2020

Answer:

In chemistry, a group (also known as a family) is a column of elements in the periodic table of the chemical elements. There are 18 numbered groups in the periodic table; the f-block columns (between groups 3 and 4) are not numbered.

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