Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Supercharge your GCSE Chemistry revision by listening to these podcasts from Bitesize and BBC Sounds. Listen on the BBC Sounds app to revise when you're out and about, or listen at home as part of ...

Silica has a giant covalent structure containing silicon atoms (grey) and oxygen atoms (red) Learn more on properties of giant covalent compounds in this podcast. Listen to the full series on BBC ...