KittyKelseyCat KittyKelseyCat

16-12-2020
Chemistry

contestada

In the Periodic Table, the vertical columns that extend down the Periodic Table are called
A. periods.
B. Groups.
C: Classes
D: Rows

Respuesta :

DanielGabriel DanielGabriel

16-12-2020

Answer:

b

Explanation:

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