2.1-2.7, 8.1-8.5 · Atoms, elements and the periodic tableLesson 11 of 12
One exam question, end to end
Seven marks, five parts, no options: electron arrangement, neutrons, then why isotopes react alike.
Locked
Unlock the rest of O Level Chemistry: Matter, Bonding and the Mole (5070).
- Every lesson, every resource, unlocked instantly.
- Track progress and pick up where you left off.
- Free preview lessons stay readable from the outline.