Daily Practice · GCSE Science

Daily Practice - GCSE Science

23rd August 1995

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
Why can an ionic compound conduct electricity when molten or dissolved but not when solid?
3
Structures, Properties and Nanoparticles
Why is graphite soft and slippery?
4
Quantitative Chemistry
State the law of conservation of mass.
5
Moles, Formulae and Equations
How many atoms are there in 0.5 mol of helium?

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