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AQA A LEVEL Chemistry Questions and Answers 100% Pass
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AQA A LEVEL Chemistry Questions and Answers 100% Pass Relative atomic mass ✔✔The average mass of an atom of an element, relative to 1/12th of the mass of an atom of Carbon-12 Relative molecula... r mass ✔✔Average mass of a molecule compared to 1/12th of the mass of a carbon-12 atom The Avogradro constant ✔✔the number of particles in a mole ideal gas equation ✔✔pV = nRT empirical formula ✔✔the simplest whole number ratio of atoms of each element in a compound percentage atom economy ✔✔(Mass of desired product/total mass of reactants) x 100 ionic bonding ✔✔the electrostatic attraction between oppositely charged ions in a lattice covalent bond ✔✔a shared pair of electrons between non-metal elements co-ordinate bond ✔✔a shared pair of electrons where both electrons are supplied by one atom repulsion in shapes of molecules ✔✔Lone pair-lone pair > lone pair-bonding pair > bonding pair-bonding pair electronegativity ✔✔the power of an atom to attra [Show More]
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