🔒 Siswa privat
Chemistry
Contextual practice and step-by-step explanations for Grade 10 · High School.
Atomic Structure (Contextual)
Atomic models, subatomic particles and ions, isotopes, electron arrangements, and energy levels and emission spectra in experimental and everyday contexts.
20 contextual questionsBuka materi02Periodic Table (Contextual)
Periodic properties, atomic and ionic radii, ionisation energy, electronegativity, electron affinity, element position from configuration, and second-period anomalies and d-block contraction.
20 contextual questionsBuka materi03Chemical Bonding (Contextual)
Ionic, covalent and metallic bonds; Lewis electron arrangements; shapes and polarity of simple molecules; resonance; and intermolecular forces in materials and experiments.
20 contextual questionsBuka materi04Nomenclature & Chemical Equations (Contextual)
IUPAC naming of ionic and covalent compounds, hydrates, acids, oxidation numbers, redox balancing, product prediction, net ionic equations and disproportionation reactions.
20 contextual questionsBuka materi05Basic Laws & Stoichiometry (Contextual)
Conservation of mass, definite and multiple proportions, Gay-Lussac, Avogadro, limiting reagents, purity, yield, hydrates, eudiometry, and solution and gas stoichiometry in multi-step analytical problems.
20 contextual questionsBuka materi06Electrolytes & Non-electrolytes (Contextual)
Distinguishing strong electrolytes, weak electrolytes, and non-electrolytes; interpreting conductivity tests; and calculating ionisation, ion counts, and ion concentrations in everyday and experimental solution contexts.
20 contextual questionsBuka materi07Redox Reactions (Contextual)
Recognising oxidation and reduction through electron transfer and oxidation-number changes; identifying oxidising and reducing agents; and applying these ideas to combustion, metal reactions, corrosion, and simple cells.
20 contextual questionsBuka materi08Green Chemistry (Contextual)
The twelve principles of green chemistry, atom economy, E-factor, yield, carbon efficiency, catalysis, safer solvents, renewable feedstocks, and route selection using green metrics in analytical and calculation problems.
20 contextual questionsBuka materi