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AQA A-level Chemistry Exam Questions & Correct Answers/ Graded A+
AQA A-level Chemistry Exam Questions & Correct Answers/ Graded A+
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AQA AS Chemistry Paper 1: Inorganic and Physical Chemistry Questions & Correct Answers/ Graded A+
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Give the full electron configuration of an Al atom and a Cr3+ ion : 1s2 2s2 2p6 3s2 3p1 1s 2s2 2p6 3s2 3p6 3d6 Deduce the formula of the ion that has a charge 2+ with the same electron : Sr2+ Deduce the formula of the compound that contains 2+ ions and 3- ions that both have the same electron...
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Add to cartGive the full electron configuration of an Al atom and a Cr3+ ion : 1s2 2s2 2p6 3s2 3p1 1s 2s2 2p6 3s2 3p6 3d6 Deduce the formula of the ion that has a charge 2+ with the same electron : Sr2+ Deduce the formula of the compound that contains 2+ ions and 3- ions that both have the same electron...
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AQA A-level Chemistry paper 2 Questions & Correct Answers/ Graded A+
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Relative atomic mass (Ar) : Average mass of an atom compared with one twelth of the mass of an atom of carbon 12 Electronegativity : Power of an atom to attract the pair of electrons in a covalent bond Standard enthalpy of combustion : Enthalpy change when 1 mole of a substance burns complete...
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Add to cartRelative atomic mass (Ar) : Average mass of an atom compared with one twelth of the mass of an atom of carbon 12 Electronegativity : Power of an atom to attract the pair of electrons in a covalent bond Standard enthalpy of combustion : Enthalpy change when 1 mole of a substance burns complete...
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AQA A Level Chemistry Transition Metals – Colours Questions & Correct Answers/ Graded A+
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Colour of MnO4- (+7 oxidation state) : purple Colour of CrO7 2- (+6 oxidation state) : orange Colour of V(O2)+ (+5 oxidation state) : yellow Colour of VO 2+ (+4 oxidation state) : blue Colour of V 3+ (+3 oxidation state) : green 2 Colour of Cr 3+ (+3 oxidation state) : green/violet Colo...
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Add to cartColour of MnO4- (+7 oxidation state) : purple Colour of CrO7 2- (+6 oxidation state) : orange Colour of V(O2)+ (+5 oxidation state) : yellow Colour of VO 2+ (+4 oxidation state) : blue Colour of V 3+ (+3 oxidation state) : green 2 Colour of Cr 3+ (+3 oxidation state) : green/violet Colo...
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AQA A-Level Chemistry – Periodicity Questions & Correct Answers/ Graded A+
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s block : The block that belongs to hydrogen and groups 1 and 2 Elements that have their highest energy e- in s-orbitals E.G. Na 1s1 2s2 2p6 3s1 p : The block that belongs to the non-metals and metalloids Elements that have their highest energy e- in p-orbitals E.G. C 1s1 2s2 2p2 d : Transi...
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Add to carts block : The block that belongs to hydrogen and groups 1 and 2 Elements that have their highest energy e- in s-orbitals E.G. Na 1s1 2s2 2p6 3s1 p : The block that belongs to the non-metals and metalloids Elements that have their highest energy e- in p-orbitals E.G. C 1s1 2s2 2p2 d : Transi...
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AQA A LEVEL Chemistry Questions & Correct Answers/ Graded A+
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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 molecular 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 ga...
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Add to cartRelative 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 molecular 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 ga...
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