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A Periodic table The Periodic Table of the Elements.
The columns in the periodic table are called groups. They are also referred as families.
Horizontal rows are called periods. There are 7 periods in periodic table.
The column of the periodic table is called group. It is also referred as family.
The columns are known as groups.
Definition of Periodic Table of Elements: (chemistry) a tabular arrangement of the chemical elements according to atomic number as based on the periodic law.
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A Periodic table The Periodic Table of the Elements.
Groups.
There are 18 groups in periodic table. They are also referred as families.
The columns in the periodic table are called groups. They are also referred as families.
There are 7 periods in the modern periodic table.
The word for columns in the periodic table is groups. They are also referred as families.
The column of the periodic table is called group. It is also referred as family.
Horizontal rows are called periods. There are 7 periods in periodic table.
Alkaline Earth family.