1. Group 7 elements are also know as…

 
 
 
 

2. Choose the correct order from top to bottom of group 7.

 
 
 
 

3. Group 7 elements only form what type of ion?

 
 
 
 

4. Iodine is…

 
 
 
 

5. How many electrons are in the outer shell of the group 7 elements?

 
 
 
 

6. Reactivity of the elements in group 7 decreases down the group. This is because…

 
 
 
 

7. What type of bonds do group 7 elements form?

 
 
 
 

8. Halogens exist as molecules made up of pairs of atoms, joined together by covalent bonds. These molecules are known as…

 
 
 
 

9. Halogens all react with metals. How many electrons do they gain when they undergo this type of reaction?

 
 
 
 

10. Bromine displaces iodine from solution because…

 
 
 
 

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