Essential Chemistry for IGCSE - The Periodic Table (Section 1 - No. 30)
What is the relationship between the number of outer shell electrons and the group number in the periodic table?
The group number indicates the number of outer shell electrons.
The number of outer shell electrons is always double the group number.
There is no relationship.
The number of outer shell electrons is half the group number.
Explanation
The group number generally indicates the number of outer shell electrons (with exceptions for transition metals and Helium).
Comments (0)
