According to IUPAC recommendations, the number of groups in the long form of the periodic table is 18.

True

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False

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Solution

The correct option is A
True

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, and the f-block columns (between groups 3 and 4) are not numbered. The number of groups in the long form of the periodic table as given by IUPAC is 18.

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