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Atomic Structure

Q11.

(a)

(i) Determine the charge, in C, of a snucleus.

(ii) A positive ion with a snucleus has a charge of 4.80 × 10–19 C. Determine how many electrons are in this ion.

(4 marks)

(b) A s nucleus may decay by emitting two s– particles to form a plutonium snucleus . State what X and Y represent and give the numerical value of each.

(4 marks)
(Total 8 marks)