Fluorine, chlorine, bromine and iodine are elements in group 7 of the periodic table - Edexcel - GCSE Chemistry Combined Science - Question 3 - 2021 - Paper 1
Question 3
Fluorine, chlorine, bromine and iodine are elements in group 7 of the periodic table.
a)
(i) State the name given to the group 7 elements.
(ii) Name one other ele... show full transcript
Worked Solution & Example Answer:Fluorine, chlorine, bromine and iodine are elements in group 7 of the periodic table - Edexcel - GCSE Chemistry Combined Science - Question 3 - 2021 - Paper 1
Step 1
State the name given to the group 7 elements.
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Answer
The group 7 elements are known as the halogens.
Step 2
Name one other element that is in group 7.
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Answer
Another element that is in group 7 is astatine (At).
Step 3
Which element is liquid at room temperature and pressure?
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Answer
The element that is liquid at room temperature and pressure is C - bromine.
Step 4
Which element is dark grey in colour at room temperature and pressure?
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Answer
The element that is dark grey in colour at room temperature and pressure is B - chlorine.
