Daily Practice · GCSE Science
Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
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2nd March 2023
- 1The Periodic Table: Groups and Trends
State the trend in reactivity down group 7 and name the most reactive halogen listed on the periodic table.
- 2Bonding, Structure and Properties of Matter
State the charge on a calcium ion (Group 2).
- 3Chemical Bonding: Ionic, Covalent and Metallic
Define a covalent bond.
- 4Structures, Properties and Nanoparticles
Explain why graphite conducts electricity but diamond does not.
- 5Quantitative Chemistry
Calculate the Mr of calcium carbonate, CaCO3. (Ca = 40, C = 12, O = 16)
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