Daily Practice · GCSE Science

Daily Practice - GCSE Science

14th May 1999

5 questions · GCSE · 584 questions in this band

1
Atomic Structure and the Periodic Table
State the relative charge of a neutron.
2
Using Resources
State one benefit of recycling metal rather than extracting new metal from its ore.
3
Using the Earth's Resources and Potable Water
Explain, in terms of particle size, how reverse osmosis separates water from dissolved salt.
4
Life Cycle Assessment, Recycling and Corrosion
State the two substances that must both be present for iron to rust.
5
Atomic Structure and the History of the Atom
Write the electronic structure of a magnesium atom (12 electrons).

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