- Introduction
- Atomic Structure
- Concept of an atom
- Subatomic particles
- Atomic number
- World of matter
- Quantum numbers
- Principal Quantum number
- Azimuthal Quantum number
- Magnetic Quantum number
- Spin Quantum number
- Quantum numbers
- Electron Configuration - Introduction
- Electron Configuration - Rules
- Examples and anomalies
- Atoms
- Ionization Energy - Introduction
- Ionization energy measure
- First and second Ionization energy
- First ionization energies of first twelve elements
- Shielding effect and Nuclear energy
- Energy of an electron
- Periodic Table - Introduction
- Modern Periodic table
- Periodic table of elements
- Periodicity
- Groups
- Trends in periodic table
- Assignment