Daily Practice · GCSE Science

Daily Practice - GCSE Science

22nd February 1999

5 questions · GCSE · 584 questions in this band

1
The Periodic Table: Groups and Trends
Why do elements in the same group have similar chemical properties?
2
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.
3
Chemical Bonding: Ionic, Covalent and Metallic
Write the formula of calcium chloride and explain the ratio.
4
Structures, Properties and Nanoparticles
Give one use of nanoparticles and one associated risk.
5
Quantitative Chemistry
Magnesium is burned in an open crucible and the mass increases. Explain why.

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