Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
29th April 2017
- 1Atomic Structure and the Periodic Table
An atom has atomic number 11 and mass number 23. State the number of protons.
- 2Using Resources
Define a finite resource, giving one example.
- 3Using the Earth's Resources and Potable Water
Name one method used to sterilise fresh water during the production of potable water.
- 4Life 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.
- 5Atomic Structure and the History of the Atom
Why is an atom electrically neutral?
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