Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
24th August 2024
- 1Atomic Structure and the History of the Atom
An atom has an atomic number of 17 and a mass number of 37. How many neutrons does it have?
- 2The Periodic Table: Groups and Trends
Give two observations when lithium is added to water.
- 3Bonding, Structure and Properties of Matter
Name the giant covalent structure made of carbon in which each carbon atom is bonded to four others.
- 4Chemical Bonding: Ionic, Covalent and Metallic
Give the charge on an ion formed by a group 2 element.
- 5Structures, Properties and Nanoparticles
Why does simple molecular carbon dioxide have a much lower melting point than giant covalent silicon dioxide?
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