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Video Description

In this episode on Group 7 – The Halogens (for Edexcel), Briana discusses the following content:

  • The properties of Group 7 elements and how these properties change as you descend the group.
  • The trend in reactivity of the Group 7 elements and how this relates to their electron structure.

Make sure you download the notes and try any included practice questions!


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Briana Clench

Briana is originally from Pennsylvania, USA. She has a Degree from Penn State University in Biochemistry and Molecular Biology with a minor in Dance and Astrobiology and a Secondary Education Certification from the State of Pennsylvania.

Briana loves teaching science and has taught all over the world. She has a passion for all science disciplines and finds them all fascinating. She also enjoys dance and yoga for fun when she’s not teaching.

Groups in The Periodic Table (Edexcel)