Daily Practice

GCSE Science

14th November 1991

5 questions · GCSE · 584 questions in this band

1
Atomic Structure and the History of the Atom
Why is an atom electrically neutral?
2
The Periodic Table: Groups and Trends
Why are the noble gases unreactive?
3
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.
4
Chemical Bonding: Ionic, Covalent and Metallic
Why can an ionic compound conduct electricity when molten or dissolved but not when solid?
5
Structures, Properties and Nanoparticles
Why is graphite soft and slippery?

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