Question

Differentiate between periods and group of the periodic
table ​

Answer 1

Explanation:

A period is a horizontal row of the periodic table. There are seven periods in the periodic table, with each one beginning at the far left. ... A group is a vertical column of the periodic table, based on the organization of the outer shell electrons. There are a total of 18 groups.

Answer 2

Periods
- Rows in the periodic table are called periods
- There are 7 periods in the periodic table.

Groups
- columns in the periodic table are called groups
- There are 18 groups in the periodic
table.
- Under the groups, there are 4 blocks :-
s-block - for groups 1&2
d-block- for groups 3 to 12
p-block- for groups 13 to 18
f-block- for lanthanoides and actinoides