SS2 Biology – Family Planning

SS2 Chemistry – Electrolysis of Specified Electrolytes

TOPIC: ELECTROLYSIS OF SOME ELECTROLYTES ELECTROLYSIS OF CONCENTRATED SODIUM CHLORIDE SOLUTION (BRINE) USING GRAPHITE ANODE.   Ions present in solution. NaCl H2O  Cations Na+ H+ Anions Cl– OH–   At

SS2 Chemistry – The Periodic Trend

CONTENT • The Periodic Properties of Elements: Atomic size, Ionic size, Ionization Energy, Electron Affinity, Electronegativity down the group and across the period. • Diagonal Relationship in the Properties of