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Atomic Structure

Q3.

(a) The most abundant isotope of cobalt is represented by z How many protons, neutrons and orbital electrons are there in a neutral atom of this element?

(2 marks)

(b) How is the nuclide that has one less proton than the nickel nuclide, z, represented?

(2 marks)

(c)

(i) The heaviest isotope of hydrogen, whose nucleon number is 3, is called tritium. How is tritium represented?


(ii) Calculate the charge per unit mass, in C kg–1, for a tritium nucleus.


(3 marks)
(Total 7 marks)