Daily Practice

GCSE Science

8th March 1992

5 questions · GCSE · 584 questions in this band

1
The Periodic Table: Groups and Trends
Why are the noble gases unreactive?
2
Bonding, Structure and Properties of Matter
State the charge on a calcium ion (Group 2).
3
Chemical Bonding: Ionic, Covalent and Metallic
Why can an ionic compound conduct electricity when molten or dissolved but not when solid?
4
Structures, Properties and Nanoparticles
Why is graphite soft and slippery?
5
Quantitative Chemistry
State the law of conservation of mass.

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