Daily Practice · GCSE Science

Daily Practice - GCSE Science

12th April 1999

5 questions · GCSE · 584 questions in this band

1
Atomic Structure and the History of the Atom
Why do isotopes of an element react in the same way?
2
The Periodic Table: Groups and Trends
State the trend in reactivity down group 7 and name the most reactive halogen listed on the periodic table.
3
Bonding, Structure and Properties of Matter
State one reason why simple covalent substances such as chlorine have low melting points.
4
Chemical Bonding: Ionic, Covalent and Metallic
Define a covalent bond.
5
Structures, Properties and Nanoparticles
Explain why graphite conducts electricity but diamond does not.

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