Question

question 8 of 10
which elements occupy the same group in the periodic table?
a. elements that share the same column
b. elements that share the same row
c. elements that share the same inside electrons
d. elements that share the same period

Explanation:

In the periodic table, a group is a vertical column. Elements in the same group have similar chemical properties due to the same number of valence electrons. Rows are called periods. Options B (same row/period) and D (same period) refer to rows. Option C (same inside electrons) is not a standard way to define a group.

Answer:

A. Elements that share the same column