Which groups are important in modern periodic table?
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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, and the f-block columns (between groups 3 and 4) are not numbered.
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Group no. 1,2,13,14,15,16,17 and 18 are the most important
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