The elements in a column of the periodic table are known as
A) metalloids.
B) a period.
C) noble gases.
D) a group.
E) nonmetals.

Name: The elements in a column of the periodic table are known as A) metalloids. B) a period. C) noble gases. D) a group. E) nonmetals.
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The elements in a column of the periodic table are known as a group. Each group contains elements with similar chemical properties and valence electron configurations. There are 18 groups in the modern periodic table.

The Elements in a Column of the Periodic Table Are