A Paadama Grade 12 Term 1 test paper in the format of the G.C.E. (A/L) Chemistry Paper II. It covers Units 1 to 3 only (atomic structure, structure and bonding, chemical calculations). Part A: answer all three structured questions (100 marks each). Part B: answer two of the three essay questions (150 marks each). Use Avogadro constant = 6.022 × 10²³ mol⁻¹, Planck constant h = 6.626 × 10⁻³⁴ J s, speed of light c = 3.00 × 10⁸ m s⁻¹; the energy of the electron in the nth level of a hydrogen atom is Eₙ = −2.18 × 10⁻¹⁸/n² J; 1 mol of a gas occupies 22.4 dm³ at STP. Relative atomic masses are given in the questions. Each question has a model answer showing where the marks go.