C8.2· 33 questions · 33 marks · 40 min · 2007–2025· Multiple choice
Every Cambridge IGCSE Sciences - Co-ordinated (Double) Paper 1 question on group i properties, laid out as 7 A4 pages with the mark scheme below. Nothing is left out. Free to read, no account.




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7 / 7Answers below. Sit the paper first if you are practising.
Pastlit
Sciences - Co-ordinated (Double) 0654 · Group I properties — Paper 1
IGCSE · topical answer key — answer key (teacher use)
Question
Answer
Marks
| Question | Answer | Marks | From |
|---|---|---|---|
| 1 | A | 1 | 0654/11 May/June 2007 |
| 2 | A | 1 | 0654/11 May/June 2008 |
| 3 | A | 1 | 0654/11 May/June 2011 |
| 4 | A | 1 | 0654/12 May/June 2011 |
| 5 | A | 1 | 0654/13 May/June 2011 |
| 6 | B | 1 | 0654/11 May/June 2012 |
| 7 | B | 1 | 0654/11 Oct/Nov 2013 |
| 8 | B | 1 | 0654/12 Oct/Nov 2013 |
| 9 | B | 1 | 0654/13 Oct/Nov 2013 |
| 10 | B | 1 | 0654/11 May/June 2014 |
| 11 | B | 1 | 0654/12 May/June 2014 |
| 12 | B | 1 | 0654/13 May/June 2014 |
| 13 | D | 1 | 0654/13 Oct/Nov 2014 |
| 14 | B | 1 | 0654/12 May/June 2015 |
| 15 | B | 1 | 0654/11 Oct/Nov 2016 |
| 16 | B | 1 | 0654/12 Oct/Nov 2016 |
| 17 | B | 1 | 0654/13 Oct/Nov 2016 |
| 18 | D | 1 | 0654/11 May/June 2017 |
| 19 | B | 1 | 0654/12 Oct/Nov 2018 |
| 20 | C | 1 | 0654/13 May/June 2020 |
| 21 | D | 1 | 0654/11 Oct/Nov 2020 |
| 22 | B | 1 | 0654/12 Oct/Nov 2020 |
| 23 | B | 1 | 0654/11 May/June 2021 |
| 24 | B | 1 | 0654/12 May/June 2021 |
| 25 | B | 1 | 0654/13 May/June 2021 |
| 26 | D | 1 | 0654/11 Oct/Nov 2021 |
| 27 | C | 1 | 0654/13 Oct/Nov 2021 |
| 28 | C | 1 | 0654/12 Feb/March 2022 |
| 29 | A | 1 | 0654/12 Feb/March 2023 |
| 30 | D | 1 | 0654/11 Oct/Nov 2023 |
| 31 | B | 1 | 0654/13 Oct/Nov 2023 |
| 32 | D | 1 | 0654/12 Feb/March 2025 |
| 33 | B | 1 | 0654/11 Oct/Nov 2025 |
16 A small piece of element X is dropped into a bowl of water. The diagrams show what happens. X flame When the reaction stops, the remaining solution turns Universal Indicator blue. To which group of the Periodic Table does element X belong? A 1 B 3 C 5 D 6
1 marks
Answer: A
16 Which trends in physical properties are correct for the alkali metals down Group I? hardness melting point A decreases decreases B decreases increases C increases decreases D increases increases
1 marks
Answer: A
15 Which trends in physical properties are correct for the alkali metals down Group I? hardness melting point A decreases decreases B decreases increases C increases decreases D increases increases
1 marks
Answer: A
14 Which trends in physical properties are correct for the alkali metals down Group I? hardness melting point A decreases decreases B decreases increases C increases decreases D increases increases
1 marks
Answer: A
14 Which trends in physical properties are correct for the alkali metals down Group I? hardness melting point A decreases decreases B decreases increases C increases decreases D increases increases
1 marks
Answer: A
22 Which statement about lithium, sodium and potassium is not correct? A They are in the same group of the Periodic Table. B They are in the same period of the Periodic Table. C They float on water. D They react with water to give a flammable gas.
1 marks
Answer: B
24 The elements in a Group of the Periodic Table are solid at 20 °C. The reactivity of the elements increases down the group. Which statements about this group of elements and their oxides are correct? the elements are in their oxides are A Group I acidic B Group I basic C Group VII acidic D Group VII basic
1 marks
Answer: B
22 The elements in a Group of the Periodic Table are solid at 20 °C. The reactivity of the elements increases down the group. Which statements about this group of elements and their oxides are correct? the elements are in their oxides are A Group I acidic B Group I basic C Group VII acidic D Group VII basic
1 marks
Answer: B
25 The elements in a Group of the Periodic Table are solid at 20 °C. The reactivity of the elements increases down the group. Which statements about this group of elements and their oxides are correct? the elements are in their oxides are A Group I acidic B Group I basic C Group VII acidic D Group VII basic
1 marks
Answer: B
24 Which Group I metal and which Group VII non-metal react together most vigorously? Group I Group VII A potassium bromine B potassium chlorine C sodium bromine D sodium chlorine
1 marks
Answer: B
24 Which Group I metal and which Group VII non-metal react together most vigorously? Group I Group VII A potassium bromine B potassium chlorine C sodium bromine D sodium chlorine
1 marks
Answer: B
25 Which Group I metal and which Group VII non-metal react together most vigorously? Group I Group VII A potassium bromine B potassium chlorine C sodium bromine D sodium chlorine
1 marks
Answer: B
20 When sodium is added to water it reacts violently and melts. Which row describes the type of reaction and how the temperature of the water changes during the reaction? type of temperature of reaction the water A endothermic decreases B endothermic increases C exothermic decreases D exothermic increases
1 marks
Answer: D
22 Elements X, Y and Z are the first three members of a group in the Periodic Table. The elements are soft. The elements react vigorously with water to produce hydrogen. In which group of the Periodic Table are X, Y and Z found? A Group 0 B Group I C Group II D Group VII
1 marks
Answer: B
23 Which statement about lithium, sodium and potassium is not correct? A They are in the same group of the Periodic Table. B They are in the same period of the Periodic Table. C They float on water. D They react with water to give a flammable gas.
1 marks
Answer: B
22 Which statement about lithium, sodium and potassium is not correct? A They are in the same group of the Periodic Table. B They are in the same period of the Periodic Table. C They float on water. D They react with water to give a flammable gas.
1 marks
Answer: B
22 Which statement about lithium, sodium and potassium is not correct? A They are in the same group of the Periodic Table. B They are in the same period of the Periodic Table. C They float on water. D They react with water to give a flammable gas.
1 marks
Answer: B
22 Which statement about Group I metals is correct? A Potassium is a hard metal and is more reactive than sodium. B Potassium is a soft metal and is less reactive than sodium. C Sodium is a hard metal and is less reactive than lithium. D Sodium is a soft metal and is more reactive than lithium.
1 marks
Answer: D
22 Which description of the Group I elements is correct? A relatively hard metals B relatively soft metals C low melting point non-metals D unreactive gases
1 marks
Answer: B
20 Which row describes properties of Group I elements? electrical reaction conductivity with water A conductor does not react B insulator reacts C conductor reacts D insulator does not react
1 marks
Answer: C
21 Potassium is in Group I of the Periodic Table. What is a property of potassium? A It does not react with water. B It is a liquid. C It is a non-metal. D It is a soft metal.
1 marks
Answer: D
21 Which row shows the trends for Group I elements lithium to potassium? trend in trend in reaction melting point with water A decrease decrease B decrease increase C increase decrease D increase increase
1 marks
Answer: B
21 Substance Q is added to cold water. It floats on the water and hydrogen gas is made. What is Q? A iodine B lithium C magnesium D zinc
1 marks
Answer: B
21 Which row describes trends in the properties of Group I elements as the group is descended? melting point reactivity with water A decreasing decreasing B decreasing increasing C increasing decreasing D increasing increasing
1 marks
Answer: B
21 Which row describes trends in the properties of Group I elements as the group is descended? melting point reactivity with water A decreasing decreasing B decreasing increasing C increasing decreasing D increasing increasing
1 marks
Answer: B
21 When a small piece of potassium is placed in water, hydrogen gas is given off very quickly. Which element reacts in a similar way? A copper B iron C magnesium D sodium
1 marks
Answer: D
21 Which statement about the elements in Group I and in Group VII of the Periodic Table is correct? A Chlorine has a darker colour than iodine. B Each molecule of a halogen contains one atom. C Potassium reacts with cold water more vigorously than lithium. D The melting point of lithium is lower than the melting point of sodium.
1 marks
Answer: C
20 Which row about the trends in the elements going down Group I of the Periodic Table is correct? reactivity melting point A decreases decreases B decreases increases C increases decreases D increases increases
1 marks
Answer: C
16 Potassium reacts with water. potassium + water … 1 … + … 2 … Which words complete the equation? 1 2 A potassium hydroxide hydrogen B potassium hydroxide oxygen C potassium oxide hydrogen D potassium oxide oxygen
1 marks
Answer: A
22 Potassium is in Group I of the Periodic Table. Which statement about potassium is correct? A It is a relatively hard metal. B It is less dense than lithium. C It has a higher melting point than sodium. D It reacts more vigorously with water than sodium.
1 marks
Answer: D
22 The elements in Group I of the Periodic Table are metals. What are the trends as the group is descended? A decrease in melting point and less reactive with water B decrease in melting point and more reactive with water C increase in melting point and less reactive with water D increase in melting point and more reactive with water
1 marks
Answer: B
24 Sodium is below lithium in Group I of the Periodic Table. Which row describes the properties of sodium in comparison with lithium? reaction of sodium melting point of sodium with water A higher than lithium less vigorous than lithium B higher than lithium more vigorous than lithium C lower than lithium less vigorous than lithium D lower than lithium more vigorous than lithium
1 marks
Answer: D
22 The element rubidium is in Group I of the Periodic Table. It burns in oxygen to form an oxide. Which row describes rubidium and its oxide? type of element type of oxide A metal acidic B metal basic C non-metal acidic D non-metal basic
1 marks
Answer: B