GCSE Chemistry – Group 7

Last updated: 11/04/2020
WJEC GCSE Science – Double science higher Atomic structure and the periodic table GCSE Chemistry – Group 7

Learning Objectives

-I can recall that group 7 elements are non-metals and are found as diatomic molecules
-I can describe the reactions of group 7 non-metals
-I can describe the patterns in melting point, boiling point and reactivity in group 7
-I can describe displacement reactions in relation to group 7 elements

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  1. Where are the group 7 elements located on the periodic table?

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  2. What is the name for group 7 elements?

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  3. What type of elements are the group 7 elements?

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  4. How many electrons do group 7 elements have in their outermost shell?

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  5. What type of ions do group 7 elements form?

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  6. Which of the following is a property of the group 7 elements?

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  7. Describe the conductivity of the group 7 elements.

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  8. Describe the melting and boiling points of the group 7 elements.

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  9. Describe the trend in melting and boiling points down the group 7 elements.

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  10. Describe the trend in melting and boiling points up the group 7 elements.

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  11. Which group 7 element has the highest melting/boiling point?

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  12. Which group 7 element has the lowest melting/boiling point?

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  13. Describe the trend in reactivity down the group 7 elements.

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  14. Describe the trend in reactivity up the group 7 elements.

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  15. Which group 7 element is the most reactive?

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  16. Which group 7 element is the least reactive?

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  17. What is being increased down the group 7 elements?

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  18. What is being increased down the group 7 elements?

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  19. What type of compound is formed from the reaction between a group 7 element and hydrogen?

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  20. What type of compound is formed from the reaction between a group 7 element and hydrogen?

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  21. Write the equation for the reaction between fluorine and hydrogen.

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  22. Write the equation for the reaction between chlorine and hydrogen.

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  23. Write the equation for the reaction between bromine and hydrogen.

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  24. Write the equation for the reaction between iodine and hydrogen.

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  25. Why does the reactivity of the group 7 elements decrease down the group?

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