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20-10-2020
Chemistry

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How many Groups is the modern periodic table divided into?
A. 2
B. 3
C. 7
D. 18

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horizon76 horizon76

20-10-2020

18

In chemistry, a group 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 are not numbered.

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28-10-2020

Answer:

18.

Explanation:

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