• Post your question(s) as individual entries on the board before the lecture begins.

• Ensure your question is clear and specific.

• If someone has already posted a similar question, you can ‘like’ it to show you share the same concern.

• Feel free to comment on other students’ questions to add context or follow-up queries.

• Check back during or after the lecture to view the responses to your questions.

I'm Khuzaifah. I would like to ask about topic 1, atomic bonding: What's the meaning of a dipole?