Question

Write the names given to the vertical columns and horizontal rows in the Modern Periodic Table.

Answer 1

Horizontal rows are named as periods whereas vertical column is known as group as per the modern periodic table.
________________________
Hope this will help you and please mark as brainlist answer and follow for such more solutions .

Answer 2

Answer:

Explanation:

~ Horizontal rows:- Periods

~Vertical columns:- Groups

hope it helps and pls mark me as brainliest and pls follow me.