C8.3· 39 questions · 39 marks · 47 min · 2007–2025· Multiple choice
Every Cambridge IGCSE Science - Combined Paper 1 question on group vii properties, laid out as 10 A4 pages with the mark scheme below. Nothing is left out. Free to read, no account.


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10 / 10Answers below. Sit the paper first if you are practising.
Pastlit
Science - Combined 0653 · Group VII properties — Paper 1
IGCSE · topical answer key — answer key (teacher use)
Question
Answer
Marks
| Question | Answer | Marks | From |
|---|---|---|---|
| 1 | B | 1 | 0653/11 May/June 2007 |
| 2 | A | 1 | 0653/11 Oct/Nov 2010 |
| 3 | A | 1 | 0653/12 Oct/Nov 2010 |
| 4 | A | 1 | 0653/13 Oct/Nov 2010 |
| 5 | B | 1 | 0653/11 May/June 2011 |
| 6 | B | 1 | 0653/12 May/June 2011 |
| 7 | B | 1 | 0653/12 May/June 2012 |
| 8 | B | 1 | 0653/13 May/June 2012 |
| 9 | C | 1 | 0653/13 May/June 2013 |
| 10 | B | 1 | 0653/13 Oct/Nov 2013 |
| 11 | B | 1 | 0653/11 May/June 2015 |
| 12 | B | 1 | 0653/11 May/June 2015 |
| 13 | B | 1 | 0653/12 May/June 2015 |
| 14 | B | 1 | 0653/13 May/June 2015 |
| 15 | C | 1 | 0653/11 Oct/Nov 2015 |
| 16 | A | 1 | 0653/11 Oct/Nov 2016 |
| 17 | B | 1 | 0653/13 Oct/Nov 2016 |
| 18 | B | 1 | 0653/12 Oct/Nov 2018 |
| 19 | B | 1 | 0653/13 Oct/Nov 2018 |
| 20 | A | 1 | 0653/12 Feb/March 2019 |
| 21 | B | 1 | 0653/11 May/June 2019 |
| 22 | B | 1 | 0653/12 May/June 2019 |
| 23 | B | 1 | 0653/13 May/June 2019 |
| 24 | C | 1 | 0653/11 Oct/Nov 2019 |
| 25 | C | 1 | 0653/11 Oct/Nov 2019 |
| 26 | C | 1 | 0653/12 Oct/Nov 2019 |
| 27 | C | 1 | 0653/12 Oct/Nov 2019 |
| 28 | C | 1 | 0653/13 Oct/Nov 2019 |
| 29 | C | 1 | 0653/13 Oct/Nov 2019 |
| 30 | B | 1 | 0653/11 Oct/Nov 2021 |
| 31 | B | 1 | 0653/11 May/June 2022 |
| 32 | B | 1 | 0653/12 May/June 2022 |
| 33 | B | 1 | 0653/13 May/June 2022 |
| 34 | C | 1 | 0653/13 May/June 2023 |
| 35 | A | 1 | 0653/12 May/June 2024 |
| 36 | B | 1 | 0653/12 Oct/Nov 2024 |
| 37 | B | 1 | 0653/13 Oct/Nov 2024 |
| 38 | A | 1 | 0653/12 Oct/Nov 2025 |
| 39 | A | 1 | 0653/13 Oct/Nov 2025 |
18 Which elements exist as diatomic molecules? bromine calcium chlorine magnesium A v x x v B v x v x Cc x v v x D x v x v key JY correct X not correct
1 marks
Answer: B
22 An electrolysis circuit is set up using carbon electrodes as shown. + – + – W X Y Z molten aqueous lead(II) bromide copper(II) chloride At which two electrodes would a Group VII element be formed? A W and Y B W and Z C X and Y D X and Z
1 marks
Answer: A
22 An electrolysis circuit is set up using carbon electrodes as shown. + – + – W X Y Z molten aqueous lead(II) bromide copper(II) chloride At which two electrodes would a Group VII element be formed? A W and Y B W and Z C X and Y D X and Z
1 marks
Answer: A
21 An electrolysis circuit is set up using carbon electrodes as shown. + – + – W X Y Z molten aqueous lead(II) bromide copper(II) chloride At which two electrodes would a Group VII element be formed? A W and Y B W and Z C X and Y D X and Z
1 marks
Answer: A
24 Element X is non-metallic. It is used in the purification of water. It is made by electrolysis of one of its salts. At which electrode is it formed and what is its colour? electrode colour A anode red B anode yellow-green C cathode red D cathode yellow-green
1 marks
Answer: B
25 Element X is non-metallic. It is used in the purification of water. It is made by electrolysis of one of its salts. At which electrode is it formed and what is its colour? electrode colour A anode red B anode yellow-green C cathode red D cathode yellow-green
1 marks
Answer: B
21 The properties of the elements in Groups I and VII of the Periodic Table change down the group. Which row shows how the melting points change down these groups? Group I Group VII A decrease decrease B decrease increase C increase decrease D increase increase
1 marks
Answer: B
21 The properties of the elements in Groups I and VII of the Periodic Table change down the group. Which row shows how the melting points change down these groups? Group I Group VII A decrease decrease B decrease increase C increase decrease D increase increase
1 marks
Answer: B
27 Three boiling tubes are each filled with a gas from Group VII in the Periodic Table. Gas 1 is brown. Gas 2 is purple. Gas 3 is green. Which gases are in the tubes? gas 1 gas 2 gas 3 A Cl I Br B Br Cl I C Br I Cl D I Br Cl
1 marks
Answer: C
26 Which row describes the physical state of some of the Group VII elements at room temperature? chlorine bromine iodine A gas gas liquid B gas liquid solid C liquid liquid gas D liquid solid solid
1 marks
Answer: B
15 Fluorine and chlorine are in Group VII of the Periodic Table. Which number increases by eight from fluorine to chlorine? A the number of atoms in one molecule B the number of electrons in one atom C the number of electrons in one molecule D the number of nucleons in one atom
1 marks
Answer: B
22 Which element has similar chemical properties to bromine? A argon B iodine C selenium D sulfur
1 marks
Answer: B
16 Fluorine and chlorine are in Group VII of the Periodic Table. Which number increases by eight from fluorine to chlorine? A the number of atoms in one molecule B the number of electrons in one atom C the number of electrons in one molecule D the number of nucleons in one atom
1 marks
Answer: B
16 Fluorine and chlorine are in Group VII of the Periodic Table. Which number increases by eight from fluorine to chlorine? A the number of atoms in one molecule B the number of electrons in one atom C the number of electrons in one molecule D the number of nucleons in one atom
1 marks
Answer: B
24 Chlorine, bromine and iodine are elements in Group VII of the Periodic Table. Which trend is observed going down Group VII? A Each element has the same physical state. B The colour of the element becomes lighter. C The reactivity of the element decreases. D The state of the element changes from solid to liquid to gas.
1 marks
Answer: C
24 Which statement describes a trend in the elements going down Group VII? A They are darker in colour. B They are displaced from their salts by elements lower down the group. C They are more reactive. D They have lower boiling points.
1 marks
Answer: A
23 A piece of damp blue litmus paper is placed in a gas. The litmus paper turns red and then turns white. What is the gas? A carbon dioxide B chlorine C hydrogen D oxygen
1 marks
Answer: B
23 Which bar chart shows the relative melting points of bromine, iron and potassium? A B Br2 Fe relative Fe relative K melting melting point point Br2 K C D Fe K relative Br2 relative Fe melting melting point point Br2 K
1 marks
Answer: B
23 Which substance does not react with chlorine? A H2 B Kr C Li D NaBr
1 marks
Answer: B
22 Which statement about elements in the Periodic Table is not correct? A The elements in Group I are hard metals. B The elements in Group I react with water to give hydrogen. C The elements in Group VII exist as diatomic molecules. D The elements in Group VII are non-metals.
1 marks
Answer: A
22 Which row describes the physical state of the Group VII elements at room temperature? chlorine bromine iodine A gas gas liquid B gas liquid solid C liquid liquid gas D liquid solid solid
1 marks
Answer: B
22 Which row describes the physical state of the Group VII elements at room temperature? chlorine bromine iodine A gas gas liquid B gas liquid solid C liquid liquid gas D liquid solid solid
1 marks
Answer: B
22 Which row describes the physical state of the Group VII elements at room temperature? chlorine bromine iodine A gas gas liquid B gas liquid solid C liquid liquid gas D liquid solid solid
1 marks
Answer: B
18 Element X is a non-metal used in the treatment of the water supply. It is made during the electrolysis of a metal salt. What is the colour of X and at which electrode is it made? colour electrode A red anode B red cathode C yellow-green anode D yellow-green cathode
1 marks
Answer: C
23 Two non-metallic elements, X and Y, are in the same group of the Periodic Table. X is higher in the group than Y. Which row shows the group number that includes elements X and Y and which element is lighter in colour? group number lighter in colour A I X B I Y C VII X D VII Y
1 marks
Answer: C
18 Element X is a non-metal used in the treatment of the water supply. It is made during the electrolysis of a metal salt. What is the colour of X and at which electrode is it made? colour electrode A red anode B red cathode C yellow-green anode D yellow-green cathode
1 marks
Answer: C
22 Two non-metallic elements, X and Y, are in the same group of the Periodic Table. X is higher in the group than Y. Which row shows the group number that includes elements X and Y and which element is lighter in colour? group number lighter in colour A I X B I Y C VII X D VII Y
1 marks
Answer: C
18 Element X is a non-metal used in the treatment of the water supply. It is made during the electrolysis of a metal salt. What is the colour of X and at which electrode is it made? colour electrode A red anode B red cathode C yellow-green anode D yellow-green cathode
1 marks
Answer: C
22 Two non-metallic elements, X and Y, are in the same group of the Periodic Table. X is higher in the group than Y. Which row shows the group number that includes elements X and Y and which element is lighter in colour? group number lighter in colour A I X B I Y C VII X D VII Y
1 marks
Answer: C
23 A piece of damp blue litmus paper is placed in a gas. The litmus paper turns red and then turns white. What is the gas? A carbon dioxide B chlorine C hydrogen D oxygen
1 marks
Answer: B
25 Which substance does not react with chlorine? A H2 B Kr C Li D NaBr
1 marks
Answer: B
24 Which substance does not react with chlorine? A H2 B Kr C Li D NaBr
1 marks
Answer: B
24 Which substance does not react with chlorine? A H2 B Kr C Li D NaBr
1 marks
Answer: B
24 Two non-metallic elements, X and Y, are in the same group of the Periodic Table. X is higher in the group than Y. Which row shows the group number that includes elements X and Y and which element is lighter in colour? group number lighter in colour A I X B I Y C VII X D VII Y
1 marks
Answer: C
24 Which row describes elements in Group I and Group VII of the Periodic Table? Group I elements Group VII elements A are solid at room temperature are solid, liquid or gas at room temperature B are poor conductors of are good conductors of heat and electricity heat and electricity C consist of consist of negatively charged ions diatomic molecules D gain electrons when they lose electrons when they react with Group VII elements react with Group I elements
1 marks
Answer: A
21 Which row describes trends shown by the elements in Group I and Group VII of the Periodic Table as the groups are descended? Group I Group VII A melting point increases colour becomes darker B melting point decreases colour becomes darker C they become more reactive colour becomes lighter D they become less reactive colour becomes lighter
1 marks
Answer: B
21 Which row describes trends shown by the elements in Group I and Group VII of the Periodic Table as the groups are descended? Group I Group VII A melting point increases colour becomes darker B melting point decreases colour becomes darker C they become more reactive colour becomes lighter D they become less reactive colour becomes lighter
1 marks
Answer: B
19 Element Q is in Group VII of the Periodic Table. The melting point and boiling point of element Q are shown. melting point / °C –7.2 boiling point / °C 58.8 What is element Q? A bromine B chlorine C fluorine D iodine
1 marks
Answer: A
19 Element Q is in Group VII of the Periodic Table. The melting point and boiling point of element Q are shown. melting point / °C –7.2 boiling point / °C 58.8 What is element Q? A bromine B chlorine C fluorine D iodine
1 marks
Answer: A