Exaim

Every mark, explained.

Answer exam questions for your board and see exactly which marks you got, and which you missed.

3

Explain why graphite conducts electricity.

2/ 3 marks

Each carbon is bonded to three others, so one electron from every atom is delocalised.

so that's the mark I lost

GCSE and IGCSE Biology, Chemistry, Physics and Maths.

Every mark, explained.