Elements
Elements
Actinides
In a periodic table.
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.
about 106 are on a periodic table for the very time being
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.