Welcome to the Quiz!
This quiz contains 6 questions from a mix of 1 subtopics.
Iodine is reactive than bromine.
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Which factors increase as we move down group 7?
(Select all that apply).
atomic radius
nuclear charge
tendency to gain electrons
shielding
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What is the charge of halogens when they become negative ions?
+1
+2
-1
-2
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What happens to halogens in redox reactions?
they lose electrons and are oxidised
they gain electrons and are oxidised
they lose electrons and are reduced
they gain electrons and are reduced
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What happens when chlorine water is added to an aqueous solution of sodium bromide?
the solution turns yellow
the solution turns purple
the solution remains colourless
the solution turns pale green
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What type of reaction occurs when halogens react with halides?
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