The cards Question Up to how many covalent bonds can a carbon atom form? Tap to flip Answer Four. Question What is a covalent bond? Tap to flip Answer The strong electrostatic attraction between a shared pair of electrons and the nuclei of the bonded atoms. Question What is a molecule? Tap to flip Answer A particle of a fixed number (two or more) of non-metal atoms covalently bonded together. Question What is the octet rule? Tap to flip Answer The tendency of atoms to fill their outer shell to 8 electrons to become stable. Question Are organic compounds found only in nature? Tap to flip Answer No; they are found in nature and can also be made synthetically. Question What is an allotrope? Tap to flip Answer A different structural form of an element, such as diamond and graphite for carbon. Question In diamond, how many other carbon atoms is each carbon atom bonded to? Tap to flip Answer Four. Question Does diamond conduct electricity? Tap to flip Answer No. Question In graphite, how many other carbon atoms is each carbon atom bonded to? Tap to flip Answer Three, forming layers of hexagonal rings. Question Why is graphite a good lubricant? Tap to flip Answer Only weak forces hold its layers together, so they can easily be rubbed apart. Question Why does graphite conduct electricity? Tap to flip Answer It has delocalised electrons that can move and carry charge. Question What is a giant covalent structure? Tap to flip Answer A large regular arrangement of atoms all joined by covalent bonds. Question What are intermolecular forces? Tap to flip Answer Weak forces of attraction between molecules. Question Why do diamond and graphite have very high melting points? Tap to flip Answer All their atoms are joined by covalent bonds, which need large amounts of energy to break. Question What are the melting and boiling points of simple molecular substances linked to? Tap to flip Answer Their intermolecular forces. Question What are the melting and boiling points of giant structures linked to? Tap to flip Answer Bond strength. Question What is graphene? Tap to flip Answer A single layer of graphite: a one-atom-thick sheet of carbon in hexagonal rings. Question What are fullerenes? Tap to flip Answer Molecules of carbon with hollow shapes. Question Besides hexagonal rings, what rings can the structure of fullerenes be based on? Tap to flip Answer Carbon rings of five or seven atoms. Question How many carbon atoms are in Buckminsterfullerene? Tap to flip Answer Sixty (C₆₀), in a spherical molecule. Question What is a carbon nanotube? Tap to flip Answer A cylindrical fullerene: a tube of graphene, very long compared with its diameter. Question Do fullerenes and nanotubes have giant covalent structures? Tap to flip Answer No; they have discrete molecular structures. Question What kind of strength does a carbon nanotube have? Tap to flip Answer A high tensile strength. Question How were fullerenes discovered? Tap to flip Answer Accidentally. Question Why is graphene nearly transparent? Tap to flip Answer It is so thin that most light passes through it. Question Of graphite, fullerenes, nanotubes and graphene, which was discovered last? Tap to flip Answer Graphene. Question What is a hydrocarbon? Tap to flip Answer A simple covalent compound made of carbon and hydrogen atoms only. Question Does the 'hydro-' in hydrocarbon mean it contains water? Tap to flip Answer No; hydrocarbons contain hydrogen and carbon atoms only. Question Where are hydrocarbons found? Tap to flip Answer In crude oil. Question What is a feedstock? Tap to flip Answer A raw material used in chemical processes to produce other substances. Question What does 'saturated' mean for an alkane? Tap to flip Answer It has only single bonds. Question What is the general formula for an alkane? Tap to flip Answer CnH2n+2 Question What is a homologous series? Tap to flip Answer Compounds with the same general formula, neighbours often differing by CH₂, with similar chemical properties. Question What are the three types of bonding? Tap to flip Answer Covalent, ionic and metallic. Question What are the two types of structure? Tap to flip Answer Simple and giant. Question What is a charge carrier? Tap to flip Answer A particle that allows electrical conduction, such as a delocalised electron or a free-moving ion. Question How long is a nanometre? Tap to flip Answer 10⁻⁹ metres, one billionth of a metre. Question What size range are nanoparticles? Tap to flip Answer 1 to 100 nanometres. Question As a particle gets smaller, what happens to its surface area to volume ratio? Tap to flip Answer It gets bigger. Question Which metre prefix gives the next smaller division after nano-? Tap to flip Answer Pico-. Where this deck sits in the curriculum Curriculum National Curriculum for England Stage GCSE (Years 10–11) Course GCSE Chemistry Unit Chemistry of carbon Exam boards AQA, Edexcel, OCR Tiers foundation and higher England's National Curriculum sets what is taught; the units and their order are Oak National Academy's. Flash Feed is not affiliated with Oak or any exam board.
How this deck was checked On 2026-11-02, every card was compared with its source: the lessons of Oak National Academy, a public body funded by England's Department for Education that publishes lessons for the national curriculum. Because the cards come from those lessons, no second source was sought. The comparison was done automatically, not by a teacher, so a card can still be wrong. Flash Feed is not affiliated with any source named here.
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A Chemistry lesson by Oak National Academy licensed under Open Government Licence (OGL)
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