Why are the elements placed into groups/families?

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asked Feb 28, 2020 128k views

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Sreejith Krishnan R · Answer 1 · 2020-03-04T13:45:27+0000

Answer:

The vertical columns on the periodic table are called groups or families because of their similar chemical behavior. All the members of a family of elements have the same number of valence electrons and similar chemical properties. The horizontal rows on the periodic table are called periods.

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Why are the elements placed into groups/families?

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