R Ram Sharma 🎓 Coach ⭐ 193.88K Points 📊 Physics Q. Which of the following is not a radio-active element (A) Radium (B) Thorium (C) Cadmium (D) Uranium 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (C) Cadmium You must be Logged in to update hint/solution 💬 Discussion 💬 Comment