Question

element with similar chemical properties appear in the​

Answer 1

Answer:

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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Answer 2

element with similar chemical properties appear in the​  vertical columns of the periodic table called Groups