Chemistry · GCSE · Bonding & Structure
Metallic bonding
gcse-chem-5-2-1-5Free0:34Heddy Score 3 of 7, below the standardPlays from youtube-nocookie.com. No YouTube cookies until you press play.
What you need to know
- A metal is a giant lattice of positive ions.
- The outer electrons are delocalised and free to move through the structure.
- The attraction between the ions and the shared electrons holds the metal together.
In this clip
4:25–4:59Metallic bondinggcse-chem-5-2-1-5Also coversThe three types of chemical bondgcse-chem-5-2-1-1Heddy ScoreSeven checks every clip must pass before students see it: trusted, on the map, accurate, focused, accessible, safe, and proven by students.3/7, Below the standard
- Trusted source · passed. The creator's own upload, live and playable here.
- On the map · not judged yet. A teacher watched it: it mainly teaches this map topic.
- Spec-true · failed. Accurate, and right for the current UK specification.
- Focused · passed. One idea, short enough to watch in one go.
- Accessible · passed. Good captions, clear sound and pictures.
- Safe for children · not judged yet. Right for 11 to 16 year olds, with no sales pitch.
- Proven · not judged yet. Earned from our students: they learn from it, find it helpful and watch it to the end.
Our students
How the Heddy Score worksNot enough students yet
Our own students' answers. These are what move ★7 Proven.Why we picked it
A fast animated sweep through a whole general chemistry course; only short slices match GCSE, so the clip is limited to the metallic bonding section.
Wacky Science on YouTubechecked 2026-10-16