. How many vertical columns are there in the modern periodic table and what are they called? (cbse 2013)
Answers
Answered by
15
18 columns
In the Modern periodic table, there are 18 columns and 7 rows.Columns are called groups and rows are known as periods. So, there are 18groups and 7 periods in modern periodic table.
mark as brainlist answer
In the Modern periodic table, there are 18 columns and 7 rows.Columns are called groups and rows are known as periods. So, there are 18groups and 7 periods in modern periodic table.
mark as brainlist answer
Answered by
3
Step-by-step explanation:
there are 18 vertical coloumb in modern periodic table and they are called groups
Similar questions