Identify the physical appearances of the halogens at room temperature and pressure: (a) chlorine appears as a pale yellow-green gas (b) bromine appears as a red-brown liquid (c) iodine appears as a grey-black solid

Quick explanation

Identify the physical appearances of the halogens at room temperature and pressure: (a) chlorine appears as a pale yellow-green gas (b) bromine appears as a red-brown liquid (c) iodine appears as a grey-black solid

• This point belongs to Group VII properties, especially Group VII properties outcomes.
• You need to be able to identify the physical appearances of the halogens at room temperature and pressure: (a) chlorine appears as a pale yellow-green gas (b) bromine appears as a red-brown liquid (c) iodine appears as a grey-black solid.
• The key ideas to know are State and Identify.
• Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.