Identify the physical appearances of the halogens at room temperature and pressure: chlorine is a pale yellow-green gas, bromine is a red-brown liquid, and iodine is a grey-black solid.

Quick explanation

Identify the physical appearances of the halogens at room temperature and pressure: chlorine is a pale yellow-green gas, bromine is a red-brown liquid, and iodine is 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: chlorine is a pale yellow-green gas, bromine is a red-brown liquid, and iodine is a grey-black solid.
• The key ideas to know are State, Identify, and Describe.
• Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.