Daily Practice · GCSE Science
Daily Practice - GCSE Science
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26th January 1994
- 1Bonding, Structure and Properties of Matter
State the charge on a calcium ion (Group 2).
- 2Chemical Bonding: Ionic, Covalent and Metallic
Why can an ionic compound conduct electricity when molten or dissolved but not when solid?
- 3Structures, Properties and Nanoparticles
Why is graphite soft and slippery?
- 4Quantitative Chemistry
State the law of conservation of mass.
- 5Moles, Formulae and Equations
How many atoms are there in 0.5 mol of helium?
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Any date always gives the same five questions, so a sheet can be set again or shared. All of January 1994, including the monthly compilation PDF.