When $\alpha$-particle are sent through a thin metal foil, most of them go straight through the foil, because:

## ✅ Correct Answer: **C** ### 📖 Detailed Explanation: **Solution:** This question has **multiple correct answers**. **Analyzing each option:** (A) ✗ $\alpha$-particle are much heavier than electrons... (B) ✗ $\alpha$-particle are positively charged... (C) ✓ most part of the atom is empty space... (D) ✗ $\alpha$-particle move with high velocity... **Correct Options: C** **Approach:** - Evaluate each statement independently - Multiple options can be correct simultaneously - Check all options against atomic structure principles **Answer: C** --- *This is an official solution provided by Chem Mantra. For more chemistry questions and solutions, explore our [question bank](/courses).*