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5.1.1a Structure of the atom and ions

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Question 43

A neutral atom has a nucleus containing protons and neutrons, with orbiting electrons. Let p p\,p represent the number of protons, n n\,n represent the number of neutrons, and e e\,e represent the number of electrons. Which relationship must be correct for this atom?

A

e=ne = ne=n

B

e=pe = pe=p

C

n=pn = pn=p

D

e=p+ne = p + ne=p+n

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5.1.1a Structure of the atom and ions Questions

  1. IGCSE
  2. /Physics
  3. /5.1.1a Structure of the atom and ions

114 exam-style questions on CIE IGCSE Physics 5.1.1a Structure of the atom and ions. Each one has a worked solution and a mark scheme showing where the marks go.

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