Because the elements progress in a periodic function.
It is called the Periodic Table of Elements.
It is named The PERIODIC TABLE. The periods being the horizontal rows The groups being the vertical columns.
Periodic table comprises of rows and columns like in an organised manner. Hence, it is called a table.
The rows in the periodic table are called periods. There are 7 periods in periodic table.
The 7 horizontal rows in the periodic table are called periods.
groups
A row in the periodic table is called a period. Columns are groups.
The vertical columns of the periodic table are called groups or families.
The first block on the periodic table is called the S block.
A row in the Periodic Table is called a period. Columns are groups.
The columns on the periodic table are called Groups.
A row in the Periodic Table is called a period. Columns are groups.