The element with atomic number 17 belongs to
A. group 7
B. group 1
C. group 17
D. group 18
1 answer
Best answer
Answer: C. group 17
Configuration 2, 8, 7: 7 valence electrons in the p-block place it in group 17 (halogens). It is chlorine.
Doubtly AI
· 24 Oct 2026
AI-verified · Oct 2026
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