Graphite is a form of carbon. Graphite conducts electricity.
A student says: "Carbon conducts electricity, so carbon must be a metal."
Which response to the student is correct?
The student is wrong, because carbon is a solid at room temperature and metals are liquids.
The student is correct, because only metals conduct electricity.
The student is correct, because carbon is in Group 4, which is on the metal side of the Periodic Table.
The student is wrong. Conducting electricity on its own does not prove an element is a metal. Carbon forms an acidic oxide, so it is a non-metal.
64 exam-style questions on OCR GCSE Chemistry 2.2 Bonding, covering 2.2.1 Metals, non-metals and the Periodic Table, 2.2.2 Types of chemical bonding and dot and cross diagrams, 2.2.3 Limitations of bonding models, and 2.2.4 Reactivity, atomic number and the modern Periodic Table. Each one has a worked solution and a mark scheme showing where the marks go.