Structure of Atom Definition, Types, Examples & Uses

Structure of Atom

Subject: General Science

Book: NCERT Chemistry Class 11

Atoms are the building blocks of matter.
- **Atomic Models**:
- Dalton’s Model (Indivisible atoms).
- Rutherford’s Model (Nucleus at center).
- Bohr’s Model (Energy levels).
- **Quantum Mechanical Model**:
- Describes electron behavior using quantum numbers.
- **Electron Configuration**:
- Electrons are arranged in shells and orbitals.

**Possible Exam Questions:**
1. Compare Bohr’s and Rutherford’s atomic models.
2. What are quantum numbers? Explain their significance.
3. Define electron configuration with an example.
4. What is the Heisenberg Uncertainty Principle?
5. How do orbitals differ from orbits?