Question 1
Which row describes the structure of Group VII elements and the trend in their reactivity down the group?
structure
reactivity down
Group VII
diatomic
increases
diatomic
decreases
monatomic
increases
monatomic
decreases
Question 2
[Maximum number: 1]
Chlorine, bromine and iodine are elements in Group VII of the Periodic Table.
Which statement about these elements is not correct?
A
The colour gets darker down the group.
B
The density increases down the group.
C
They are all gases at room temperature and pressure.
D
They are all non-metals.
C
Question 3
[Maximum number: 1]
Which statement about the halogens and their compounds is correct?
A
The colour of the element gets lighter going down Group VII.
B
The elements get less dense going down Group VII.
C
When chlorine is added to sodium iodide solution, iodine is formed.
D
When iodine is added to sodium bromide solution, bromine is formed.
C
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