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What is an allotrope
Two substances made from the same element that have different structures while being in the same physical state
Two examples of allotropes of carbon
Carbon
Diamond
Structural qualities of diamond
Each carbon atom is bonded to 4 other carbon atoms
Each carbon is covalently bonded to each other
Properties of diamond
High melting and boiling point
Cannot conduct electricity
Strong covalent bonds
Structural properties of graphite
Each carbon atom is bonded to 3 other carbon atoms
Repeating hexagons
Covalent bonds
Form layers on top of eachother with no covalent bonds between them
Delocalised electrons are present
Properties of Graphite
Soft
Can conduct electricity
High melting and boiling points