The elements A, B, C, D and E have atomic number 9, 11, 17, 12 and 13 respectively. Which pair of elements belong to the same group? (a) A and B (b) B and D (c) A and C D and E
ScienceClass 10CBSEAnswered 27 Mar 2026
Answer
- Soln:
Answer is (c) A and C
Explanation:
A and C are fluorine and chlorine belongs to the same group.