Year 9 Chemistry
Bonding and formulae
Atomic structure and electron shells, ions, ionic, covalent and metallic bonding, writing ionic formulae and balancing equations.
What is in this topic
- A narrated lesson video that works through the topic, with worked examples
- 100 practice questions at foundation, core and stretch level
- A worked explanation on every answer, and progress you can come back to
The lesson and practice open when you start the 7-day free trial. Cancel before it ends and you pay nothing.