Bonding & Properties of Matter- Structure & Bonding In Carbon Flashcards
The element ______ has different forms in which the atoms are arranged in different ways. These are diamond, graphite, graphene and fullerenes.
The element carbon has different forms in which the atoms are arranged in different ways. These are diamond, graphite, graphene and fullerenes.
In diamond each carbon atom forms _ covalent bonds with other carbon atoms.
In diamond each carbon atom forms 4 covalent bonds with other carbon atoms.
Diamond is very hard as it is held together by ______ covalent bonds.
Diamond is very hard as it is held together by strong covalent bonds.
Diamond does not conduct electricity as it has no ____ (____________) electrons.
Diamond does not conduct electricity as it has no free (delocalised) electrons.
Graphite has a structure in which the carbon atoms form layers of _________ rings in which each carbon atom is bonded to _ other carbon atoms.
Graphite has a structure in which the carbon atoms form layers of hexagonal rings in which each carbon atom is bonded to 3 other carbon atoms.
The layers of atoms in ________ are not bonded together and can slide over each other which makes graphite ____ and ________.
The layers of atoms in graphite are not bonded together and can slide over each other which makes graphite soft and slippery.
Graphite can _______ ___________ as one electron from each carbon atom is delocalised.
Graphite can conduct electricity as one electron from each carbon atom is delocalised.
Graphite is a good _______ conductor because of the delocalised electrons which can move through the layers.
Graphite is a good thermal conductor because of the delocalised electrons which can move through the layers.
Graphene is a ______ layer of graphite so is just ___ atom thick.
Graphene is a single layer of graphite so is just one atom thick.
_______ conducts electricity and is very strong.
Graphene conducts electricity and is very strong.
___________ are molecules of carbon atoms with hollow shapes.
Fullerenes are molecules of carbon atoms with hollow shapes.
Buckminster fullerene (bucky ball) has a formula of ___
Buckminster fullerene (bucky ball) has a formula of C60
Carbon nanotubes have very high ______ to ________ ration.
Carbon nanotubes have very high length to diameter ration.
___________ are finding uses eg to deliver drugs to specific body parts, as catalysts and as reinforcement for composite materials.
Fullerenes are finding uses eg to deliver drugs to specific body parts, as catalysts and as reinforcement for composite materials.
Graphene will help create new developments in the electronics industry in the future.
Graphene will help create new developments in the electronics industry in the future.
