Question

There are 7 columns and 18 rows in the periodic table.

• A. True
• B. False

Answer 1

The correct option is B False

• The systematic arrangement of elements into groups and periods is called the periodic table.
• The modern periodic law is stated as:- “Properties of elements are a periodic function of their atomic number.”
• Horizontal rows in the periodic table are known as rows. There are 7 rows.
• Vertical columns in the periodic table are known as groups. There are 18 groups.
• Therefore, the given statement is false. There are 7 rows and 18 columns in the periodic table.