Question

Name the group which contains three columns of elements but no sub group.​

Answer 1

Dear Joshan,

● Answer -

Group VII

◆ Explaination -

• Group VIIIB contains three columns of elements namely gr.8, gr.9 and gr.10.

# Extra information -

• Periodic table is a table of the chemical elements arranged in order of atomic number, usually in rows, so that elements with similar chemical properties appear in vertical columns.

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