Daily Practice · GCSE Science

Daily Practice - GCSE Science

23rd November 1996

5 questions · GCSE · 584 questions in this band

1
Atomic Structure and the Periodic Table
An atom has atomic number 9 and mass number 19. Calculate the number of neutrons.
2
Using Resources
Name two methods of desalinating seawater.
3
Using the Earth's Resources and Potable Water
Classify crude oil as finite or renewable, and justify your answer.
4
Life Cycle Assessment, Recycling and Corrosion
Explain, using the reactivity series, why attaching blocks of zinc to the hull of a steel ship helps prevent the steel from rusting.
5
Atomic Structure and the History of the Atom
Why is an atom electrically neutral?

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