MCQ
आयोडीन अणु $( A =126, Z =53)$ की त्रिज्या है
- ✓$2.5 \times 10^{-11}$ मी
- B$2.5 \times 10^{-9}$ मी
- C$7 \times 10^{-9}$ मी
- D$7 \times 10^{-6}$ मी
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