Skip to content

Year 12 Chemistry

Bonding and structure

Ionic, covalent, dative covalent and metallic bonding, giant and simple structures, shapes of molecules and ions, electronegativity, polarity and intermolecular forces.

Bonding and structure free practice

No timer
No timer and no account needed. Check each answer as you go, then read the explanation.
1. Why is the molecule BF3 trigonal planar with bond angles of 120°?

Your answer is marked as soon as you give it.

Want more of 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.