Daily Practice · GCSE Science

Daily Practice - GCSE Science

12th January 1997

5 questions · GCSE · 584 questions in this band

1
Atomic Structure and the History of the Atom
Define an isotope.
2
The Periodic Table: Groups and Trends
Explain why potassium is more reactive than sodium.
3
Bonding, Structure and Properties of Matter
State the charge on a calcium ion (Group 2).
4
Chemical Bonding: Ionic, Covalent and Metallic
Why can metals conduct electricity when solid?
5
Structures, Properties and Nanoparticles
Why do polymers have higher melting points than small molecules such as methane?

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