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Atomic Structure

Q6.

(a) How many protons, neutrons and electrons are there in an atom of ?

(2 marks)

(b) The atom loses two electrons. For the ion formed;

(i) calculate its charge in C,


(ii) state the number of nucleons it contains,


(iii) calculate the charge to mass ratio in C kg–1.

(4 marks)
(Total 6 marks)