venusncarl venusncarl

23-01-2019
Geography

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a row of elements on the periodic table is called an

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stickymustache7 stickymustache7

23-01-2019

there are seven horizontal rows of elements called periods. The vertical columns of elements are called groups, or families.

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s1798217 s1798217

15-01-2021

Answer:

period

Explanation:

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