Question

Each up-and-down column of elements on the periodic table.

A.Periodic Law

B.Group

C.Period

D.color of the chemical

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Answer 1

Groups are the vertical columns

Step-by-step explanation:

Periodic law states that when elements are listed in order of their atomic masses they automatically fall into similar groups.

A period is the horizontal organization.

Answer D is irrelevant.

So the answer is B! Group!

Hope this helped!!!!