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What do families/groups have in common

Sagot :

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.

Answer:

people

tee hee

but really they have the same number of valence electrons. Also they have similar chemical properties.

Explanation:

Hope this helped boo, lemme know if you need more info :)