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Atomic Structure

Q12.

(a) State what is meant by the specific charge of a nucleus and give an appropriate unit for this quantity.

(2 marks)

(b) Nucleus X has the same nucleon number as nucleus Y. The specific charge of X is 1.25 times greater than that of Y.

(i) Explain, in terms of protons and neutrons, why the specific charge of X is greater than that of Y.

(2 marks)

(ii) Nucleus X is . Deduce the number of protons and the number of neutrons in nucleus Y.

(4 marks)

(Total 8 marks)