Question

What the rows of elements in the periodic table called?

A: orbitals
B: s, p, d, and f blocks
C: periods
D: groups

Answer 1

What the rows of elements in the periodic table called? The answer is C: Periods. The elements are arranged in seven horizontal rows, called periods or series, and 18 vertical columns, called groups. Groups are labeled at the top of each column

Answer 2

The rows are called periods and the columns are called groups.