the great chemistry

2.1 Bohr’s Atomic Model
2.2 Quantum Mechanical Model
2.3 Electronic Configuration

Bohr’s Atomic Model

At the end of this topic students should  be able to:-Describe the Bohr’s atomic postulates.

1. Explain the existence of electron energy levels in an atom and calculate the energy of electron
2. Differentiate between line spectrum and continuous spectrum.
3. Perform calculation involving the Rydberg equation for Lyman, Balmer, Paschen, Brackett and Pfund series
4. Calculate the ionisation energy from Lyman series
5. Outline the weaknesses of Bohr’s atomic model.
6. State the de Broglie’s postulate and Heisenberg’s uncertainty principle

Quantum Mechanical Mode

At the end of this topic students should be able to:-

1. Define the term orbital.
2. State the four quantum numbers.
3. Sketch the shape of s, p and d orbitals.

Electronic Configuration

At the end of this topic students should
    be able to:-

1. Write the electronic configuration of an atom using spdf notation and orbital diagram
2. State and use Aufbou principle, Hund’s rule and Pauli exclusion principle in filling of orbitals.
3. Write the electronic configuration of atom or monatomic ion based on its proton number.
4. Explain the anomalous electronic configurations of chromium and copper.