GCSE Chemistry - Electron Arrangement #8
This video covers:
0:43 - The number of electrons per energy level
4:24 - why atoms react / why they lose or gain electrons
This video is suitable for:
All tiers
All exam boards
Triple and combined science
Related videos/topics:
GCSE Chemistry playlist:
• GCSE Chemistry - Atoms & Ions #1
GCSE Biology Playlist:
• Video
GCSE Physics Playlist:
• Video