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Aqa AS CHEMISTRY (7404/1) Paper 1 - Inorganic and Physical Chemistry June 2022 100% CORRECT Mark scheme
Aqa AS CHEMISTRY (7404/1) Paper 1 - Inorganic and Physical Chemistry June 2022 100% CORRECT Mark scheme 01.1 the outer electron is in a higher (energy) level / there is an increase in shielding / the atoms get larger / more shells There is a weaker attraction between the nucleus and the outer electron. Q.02. The electron is removed from 2p sub-shell / 2nd energy level / lower energy level / sub-shell that is closer to the nucleus (Electron being removed is) less shielded (than 3s)
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Aqa AS CHEMISTRY (7404/1) Paper 1 - Inorganic and Physical Chemistry June 2022 100% CORRECT Mark scheme 01.1 the outer electron is in a higher (energy) level / there is an increase in shielding / the atoms get larger / more shells There is a weaker attraction between the nucleus and the outer electron. Q.02. The electron is removed from 2p sub-shell / 2nd energy level / lower energy level / sub-shell that is closer to the nucleus (Electron being removed is) less shielded (than 3s)
Aqa AS CHEMISTRY (7404/1) Paper 1- Inorganic and Physical Chemistry June 2022 OFFICIAL Question Paper
Aqa AS CHEMISTRY (7404/1) Paper 1- Inorganic and Physical Chemistry June 2022 OFFICIAL Question Paper
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Aqa AS CHEMISTRY (7404/1) Paper 1- Inorganic and Physical Chemistry June 2022 OFFICIAL Question Paper
AS CHEMISTRY Aqa Paper 2 (7404/2) - Organic and Physical Chemistry June 2022 Question Paper
AS CHEMISTRY Aqa Paper 2 (7404/2) - Organic and Physical Chemistry June 2022 Question Paper
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AS CHEMISTRY Aqa Paper 2 (7404/2) - Organic and Physical Chemistry June 2022 Question Paper
Aqa A-level CHEMISTRY Paper 1 - Inorganic and Physical Chemistry (7405/1) June 2022 OFFICIAL Question Paper.
Aqa A-level CHEMISTRY Paper 1 - Inorganic and Physical Chemistry (7405/1) June 2022 OFFICIAL Question Paper.
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Aqa A-level CHEMISTRY Paper 1 - Inorganic and Physical Chemistry (7405/1) June 2022 OFFICIAL Question Paper.
Aqa A-level CHEMISTRY (7405/1) Paper 1 Inorganic and Physical Chemistry June 2022 Final Mark scheme
Aqa A-level CHEMISTRY (7405/1) Paper 1 - Inorganic and Physical Chemistry June 2022 Final Mark scheme. 0.1. forward and reverse reactions proceed at equal rates concentrations (of reactants and products) remain constant or concentrations (of reactants and products) stay the same 01.2. more moles of (gaseous) products (than (gaseous) reactants) or more moles on the RHS (than LHS)
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Aqa A-level CHEMISTRY (7405/1) Paper 1 - Inorganic and Physical Chemistry June 2022 Final Mark scheme. 0.1. forward and reverse reactions proceed at equal rates concentrations (of reactants and products) remain constant or concentrations (of reactants and products) stay the same 01.2. more moles of (gaseous) products (than (gaseous) reactants) or more moles on the RHS (than LHS)
Aqa GCSE CHEMISTRY (8462/2H) Paper 2 Higher Tier June 2022 Final Mark Scheme.
Aqa GCSE CHEMISTRY (8462/2H) Paper 2 Higher Tier June 2022 Final Mark Scheme. 01.1. C=C bond 2x C-H bonds and 2x C-CH3 bonds 01.2. any one from: • (otherwise) the copper (produced) would be impure • (otherwise) the copper (produced) would be a mixture • (otherwise) the insulation would burn / melt (during recycling) • copper and poly(butene) are recycled by different methods 01.3. (wire heated unti...
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Aqa GCSE CHEMISTRY (8462/2H) Paper 2 Higher Tier June 2022 Final Mark Scheme. 01.1. C=C bond 2x C-H bonds and 2x C-CH3 bonds 01.2. any one from: • (otherwise) the copper (produced) would be impure • (otherwise) the copper (produced) would be a mixture • (otherwise) the insulation would burn / melt (during recycling) • copper and poly(butene) are recycled by different methods 01.3. (wire heated unti...
GCSE CHEMISTRY Higher Tier Aqa Paper 2 (8462/2H) June 2022 OFFICIAL Question Paper
GCSE CHEMISTRY Higher Tier Aqa Paper 2 (8462/2H) June 2022 OFFICIAL Question Paper. 01. This question is about copper wire and copper compounds. Copper is used to make electrical wires. Figure 1 shows how copper electrical wire is insulated using an addition polymer called poly(butene). Figure 1 0 2. Suggest why poly(butene) insulation must be removed from scrap copper wire before the copper is recycled. [1 mark] 3. Describe how scrap copper wire can be recycled to make new copp...
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GCSE CHEMISTRY Higher Tier Aqa Paper 2 (8462/2H) June 2022 OFFICIAL Question Paper. 01. This question is about copper wire and copper compounds. Copper is used to make electrical wires. Figure 1 shows how copper electrical wire is insulated using an addition polymer called poly(butene). Figure 1 0 2. Suggest why poly(butene) insulation must be removed from scrap copper wire before the copper is recycled. [1 mark] 3. Describe how scrap copper wire can be recycled to make new copp...
aQA AS BIOLOGY Paper 1 (7401/1) JUNE 2022 OFFICIAL QUESTION PAPER
aQA AS BIOLOGY Paper 1 (7401/1) JUNE 2022 OFFICIAL QUESTION PAPER
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aQA AS BIOLOGY Paper 1 (7401/1) JUNE 2022 OFFICIAL QUESTION PAPER
Aqa GCSE CHEMISTRY (8462/2F) Paper 2 Foundation Tier June 2022 Final Mark Scheme RATED A+
Aqa GCSE CHEMISTRY (8462/2F) Paper 2 Foundation Tier June 2022 Final Mark Scheme RATED A+
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Aqa GCSE CHEMISTRY (8462/2F) Paper 2 Foundation Tier June 2022 Final Mark Scheme RATED A+
Aqa GCSE CHEMISTRY Foundation Tier Paper 2 (8462/2F) June 2022 OFFICIAL Question Paper
Aqa GCSE CHEMISTRY Foundation Tier Paper 2 (8462/2F) June 2022 OFFICIAL Question Paper 0 1 This question is about water. A student investigated pure water. The student measured: • the boiling point of pure water • the pH of pure water. 0 1 . 1 Complete the sentences. Choose answers from the box. [2 marks] 0 4 7 10 25 100 Pure water has a boiling point of °C. Pure water has a pH of . 0 1 . 2 What could the student use to measure the pH of p...
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Aqa GCSE CHEMISTRY Foundation Tier Paper 2 (8462/2F) June 2022 OFFICIAL Question Paper 0 1 This question is about water. A student investigated pure water. The student measured: • the boiling point of pure water • the pH of pure water. 0 1 . 1 Complete the sentences. Choose answers from the box. [2 marks] 0 4 7 10 25 100 Pure water has a boiling point of °C. Pure water has a pH of . 0 1 . 2 What could the student use to measure the pH of p...
aqa A-level BUSINESS Paper 1 Business 1(7132-1) May 2024 Question Paper
aqa AS CHEMISTRY Paper 2 Organic and Physical Chemistry (7404/2) May 2023 Question Paper.
aqa AS CHEMISTRY Paper 2 Organic and Physical Chemistry (7404/2) May 2023 Question Paper.
aqa AS BUSINESS Paper 2 - (7131/2) Business 2 Question Paper 2023
aqa AS BUSINESS Paper 2 - (7131/2) Business 2 Question Paper 2023