the ladder of theory
A Periodic table The Periodic Table of the Elements.
ladder shape
The rows on the periodic table are called periods
The rows in the periodic table are called periods. There are 7 periods in periodic table.
it's called the periodic table obviously
A Periodic table The Periodic Table of the Elements.
ladder shape
ladder shape
It is called the Periodic Table of Elements.
The rows on the periodic table are called periods
groups
Columns in the periodic table are called "groups" and there are 18 groups in the periodic table.
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.
a horizontal row is called a period.a vertical row is called a group
The vertical columns are called groups in a periodic table.