That is true. There is an insert option on the shortcut menu which can allow you to insert rows and columns.
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It is true that periodic table is divided into rows and columns. The rows are called periods and columns are called groups.
no its false i put true and it was wrong they are called groups!!!!!
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True.
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True. The columns on the periodic table can be referred to as families, but more commonly they are referred to as groups. There are 18 groups on the periodic table.
False. The vertical columns are called groups The horizontal rows are called periods