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Chlorine and iodine are Group 7 elements - OCR Gateway - GCSE Chemistry - Question 1 - 2022 - Paper 2
Question 1
Chlorine and iodine are Group 7 elements. | Chlorine | Iodine | |--------------------|-----------------| | A. green gas | purple gas |... show full transcript
Worked Solution & Example Answer:Chlorine and iodine are Group 7 elements - OCR Gateway - GCSE Chemistry - Question 1 - 2022 - Paper 2
Step 1
Which row in the table describes these elements at room temperature?
Answer
At room temperature, chlorine exists as a green gas and iodine exists as a purple gas.
Based on this information, the correct answer from the options provided is:
Option A: Chlorine - green gas, Iodine - purple gas.