Question

Which part of the Periodic Table of the elements is used to identify valence electrons? *

Answer 1

The number of valence electrons of an element can be determined by the periodic table group (vertical column) in which the element is categorized

Answer 2

Answer: Groups

Explanation:

The number of valence electrons of an element can be determined by the periodic table groups in which the element is categorized

P.S. Families rows in the table!