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AQA A-Level Physics/Past paper questions
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Atomic Structure
1) Give the number of nucleons and the number of electrons in an atom of 22Na. (2 marks)
Nucleons =
Electrons =
2) What is meant by the term isotope?
3) Define the following (3 marks)
When removed from an atom, forms a charge
Has the largest mass-charge ratio
When removed from an atom, lowers overall mass