Group 7 - The halogens - Eduqas

1

What name is given to elements in group 7?

2

What is the physical state of iodine at room temperature?

3

What is the formula of chlorine gas?

4

Astatine is below iodine in group 7. What colour would you expect astatine to be?

5

What is the trend in reactivtity of Group 7 elements?

6

Iron reacts with chlorine to form iron(III) chloride. What is the formula of iron(III) chloride?

7

What is seen if chlorine is added to potassium iodide solution?

8

When a group 7 element reacts, it often gains an electron. What type of particle is produced?

9

In a displacement reaction, iodide ions lose electrons to form iodine. What name is given to this process? - Higher

10

In a ionic equation, what name is given to ions that appear unchanged on both sides of the equation? - Higher