Daily Practice · GCSE Science

Daily Practice - GCSE Science

3rd May 1998

5 questions · GCSE · 584 questions in this band

1
Bonding, Structure and Properties of Matter
A student says that metals conduct electricity because they contain free-moving ions. Explain why this statement is incorrect, and give the correct explanation.
2
Chemical Bonding: Ionic, Covalent and Metallic
Define a covalent bond.
3
Structures, Properties and Nanoparticles
Explain why graphite conducts electricity but diamond does not.
4
Quantitative Chemistry
Calculate the Mr of calcium carbonate, CaCO3. (Ca = 40, C = 12, O = 16)
5
Moles, Formulae and Equations
Define the limiting reactant.

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