Differentiate between a group and period of the periodic table.
Group | Period |
The vertical column in the periodic table is called as Group. | The horizontal row in the periodic table is known as period. |
The elements in every group have similar properties but not entirely identical properties | The elements in a period do not have similar properties. |
There are 18 groups in the periodic table. | There are 7 periods in the periodic table |
Elements in each group have an equal number of valence electron. | Elements in the same period has an equal number of electron composition. |