Question

there are groups in Modern Periodic Table​

Answer 1

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• Group, in chemistry, a column in the periodic table of the chemical elements. In a group, the chemical elements have atoms with identical valence electron counts and identical valence vacancy counts.

• In the Modern Periodic Table, there are 18 vertical columns known as Groups and 7 horizontal rows known as Periods.

Answer 2

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• Features of Modern Periodic Table. There are eighteen vertical columns known as groups in the modern periodic table which are arranged from left to right and seven horizontal rows which are known as periods. The elements of this group form salts.