Question

explain group & periods table mendeleev's period table ​

Answer 1

Answer:

Group:

Group is the column in the periodic table

Period:

Period is the row in the perioic table.

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Answer 2

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Explain the Periodic Table

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All the elements are arranged in a chart called the periodic table. The Russian scientist, Dmitri Mendeleev produced one of the first practical periodic tables in 1872. The modern periodic table is based closely on the ideas he used. The periodic table has horizontal rows called periods and vertical columns called groups. Elements in the same group of the periodic table are similar to each other.

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