What are the relationships between group configuration and group number for elements in the s, p, and d blocks?

Question

Chemistry

Lily Kidd

16 May, 15:36

What are the relationships between group configuration and group number for elements in the s, p, and d blocks?

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Makena Lamb · Answer 1

"Shells" are composed of individual orbitals. The valence shell is the outer most shell and only its s and p orbitals are occupied, which is why the octet rule works. The relationship between group configurations and group members are as follows:

Group 1 & 2 - ns1,2

Group 1-13 - (n-1) d1-10 ns0-2

Group 13-18 - ns2np1-6