Daily Practice · GCSE Science

Daily Practice - GCSE Science

2nd December 1998

5 questions · GCSE · 584 questions in this band

1
The Periodic Table: Groups and Trends
Explain why potassium is more reactive than sodium.
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 metals conduct electricity when solid?
4
Structures, Properties and Nanoparticles
Why do polymers have higher melting points than small molecules such as methane?
5
Quantitative Chemistry
A sealed flask containing 12.0 g of reactants is shaken and a reaction occurs. What is the total mass afterwards?

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