Biology WBI13/01 January 2020 | Edexcel International AS Level Past Papers With Mark Scheme
Edexcel
International AS/A Level
Biology (WBI)
Jan
2020
2. Chemical bonding types: ionic, covalent, coordinate bonds, bonding in molecules, electron dot structures
3. Mole concept and stoichiometry: Avogadro’s number, molar volume, percentage composition, empirical and molecular formulas
4. States of matter: gas laws (Boyle’s, Charles’, ideal gas equation), intermolecular forces, changes of state
5. Acids, bases, and salts: pH calculation, acid-base titration, strength vs. concentration, neutralization reactions
6. Thermochemistry: enthalpy changes, Hess’s law, calorimetry, exothermic and endothermic reactions
معلم موافق رایگان بودن است.
1. Periodic table trends: atomic radius, ionization energy, electronegativity, group and period behavior2. Chemical bonding types: ionic, covalent, coordinate bonds, bonding in molecules, electron dot structures
3. Mole concept and stoichiometry: Avogadro’s number, molar volume, percentage composition, empirical and molecular formulas
4. States of matter: gas laws (Boyle’s, Charles’, ideal gas equation), intermolecular forces, changes of state
5. Acids, bases, and salts: pH calculation, acid-base titration, strength vs. concentration, neutralization reactions
6. Thermochemistry: enthalpy changes, Hess’s law, calorimetry, exothermic and endothermic reactions
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