Why are family 18 elements relatively unreactive?

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Tags

1. #atoms
2. #configuration
3. #stable
4. #which
5. #elements
6. #shell
7. #unreactive
8. #noble
9. #gases
10. #family
11. #relatively
12. #eight
13. #positive
14. #because
15. #outermost
16. #valence
17. #electrons
18. #reactive