AQA GCSE Chemistry · 8462
Specification 4.2.3.1, 4.2.3.3 · Paper 1
A different structural form of the same element in the same physical state.
Revise: Diamond Structure and PropertiesDiamond is an allotrope of carbon: it contains only carbon atoms, but those atoms have a particular arrangement. A carbon atom has four electrons in its outer shell. In diamond, it shares electrons with four neighbouring carbon atoms, forming four strong covalent bonds.
- Revise: Graphene and Fullerenes
One of the different structural forms of an element, produced when its atoms are bonded or arranged differently.