Topic Details (Notes format)

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?

Practice Questions

What is the most common state of matter in the universe?

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Which process describes the splitting of a nucleus into smaller nuclei?

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What is the chemical formula of water?

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What is the primary source of energy for life on Earth?

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Which type of blood vessel carries blood away from the heart?

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Which particle is responsible for the negative charge of an atom?

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What is the SI unit of power?

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Which organelle is responsible for photosynthesis in plants?

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What is the most abundant element in the universe?

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Which process separates light into its component colors?

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