GCSE Chemistry – Group 7 – The halogens

Last updated: 08/06/2020

OCR 21st Century GCSE Science – Chemistry foundation Chemical patterns GCSE Chemistry – Group 7 – The halogens

Learning Objectives

-I can recall the properties of group 7 elements
-I can recall the reactions between group 1 metals and group 7 elements

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Question 1 of 22

1. Question
What are the name of the group 7 elements?
- Halogens
- Alkali metals
- Transition metals
- Nobel gases
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Question 2 of 22

2. Question
Where are the group 7 elements located on the periodic table?
- Right hand side
- Left hand side
- Centre
- Bottom
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Question 3 of 22

3. Question
What type of elements are the group 7 elements?
- Non-metals
- Metals
- Aqueous
- Solids
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Question 4 of 22

4. Question
How many electrons do group 7 elements have in their outermost shell?
- 7
- 4
- 2
- 8
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Question 5 of 22

5. Question
What type of ions do group 7 elements form?
- -1
- +1
- -2
- +2
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Question 6 of 22

6. Question
Which of the following is a property of the group 7 elements?
- Diatomic
- Monatomic
- High melting and boiling points
- Good conductors
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Question 7 of 22

7. Question
Describe the melting and boiling points of the group 7 elements.
- Low melting and low boiling points
- Low melting and high boiling points
- High melting and high boiling points
- High melting and low boiling points
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Question 8 of 22

8. Question
Describe the trend in melting and boiling points up the group 7 elements.
- Melting and boiling points decrease
- Melting and boiling points increase
- Melting points increase, boiling points decrease
- Melting points decrease, boiling points increase
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Question 9 of 22

9. Question
Describe the trend in melting and boiling points down the group 7 elements.
- Melting and boiling points increase
- Melting and boiling points decrease
- Melting points increase, boiling points decrease
- Melting points decrease, boiling points increase
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Question 10 of 22

10. Question
Which group 7 element has the highest melting/boiling point?
- At
- Br
- Cl
- F
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Question 11 of 22

11. Question
Which group 7 element has the lowest melting/boiling point?
- F
- Br
- Cl
- At
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Question 12 of 22

12. Question
Describe the conductivity of the group 7 elements.
- Poor conductors
- Good conductors
- Good conductors when molten
- Good conductors when solid
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Question 13 of 22

13. Question
Describe the trend in reactivity up the group 1 elements.
- Reactivity increases
- Reactivity decreases
- Reactivity trends will depend on the state of each element
- No trend in reactivity
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Question 14 of 22

14. Question
Describe the trend in reactivity down the group 1 elements.
- Reactivity decreases
- Reactivity increases
- Reactivity trends will depend on the state of each element
- No trend in reactivity
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Question 15 of 22

15. Question
What is being increased down the group 7 elements?
- Amount of shielding
- Number of outer shell electrons
- Reactivity
- Amount of atoms
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Question 16 of 22

16. Question
What is being increased down the group 7 elements?
- Amount of electron shells
- Number of outer shell electrons
- Reactivity
- Amount of atoms
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Question 17 of 22

17. Question
Why does the reactivity of the group 7 elements decrease down the group?
- The number of shells increase, the outermost shell of electrons are further away from the attractive force of the nucleus. Therefore, it is harder for the group 7 element to gain an extra electron.
- The number of shells decrease, the outermost shell of electrons are closer to the attractive force of the nucleus. Therefore, it is easier for the group 7 element to gain an extra electron.
- The number of shells decrease, the outermost shell of electrons are closer to the attractive force of the nucleus. Therefore, it is harder for the group 7 element to gain an extra electron.
- The number of shells increase, the outermost shell of electrons are further away from the attractive force of the nucleus. Therefore, it is easier for the group 7 element to gain an extra electron.
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Question 18 of 22

18. Question
Which group 7 element is the most reactive?
- F
- At
- Br
- I
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Question 19 of 22

19. Question
Which group 7 element is the least reactive?
- At
- F
- Br
- I
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Question 20 of 22

20. Question
What type of compound is formed when group 1 elements react with chlorine?
- Metal chlorides
- Metal hydroxides
- Metal oxides
- Metal bromides
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Question 21 of 22

21. Question
What type of compound is formed when group 1 elements react with bromine?
- Metal bromides
- Metal hydroxides
- Metal oxides
- Metal iodides
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Question 22 of 22

22. Question
What type of compound is formed when group 1 elements react with iodine?
- Metal iodides
- Metal hydroxides
- Metal oxides
- Metal chlorides
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