Isotopes past paper questions

Chemistry 9701 · Atomic structure. 1 define the term isotope in terms of numbers of protons and neutrons 2 understand the notation x y A for isotopes, where x is the mass or nucleon number and y is the atomic or proton number 3 state that and explain why isotopes of the same element have the same chemical properties 4 state that and explain why isotopes of the same element have different physical properties, limited to mass and density

It came up in 16 of 139 papers, for about 1 marks a paper when it does. It last came up in October/November 2025.

Often set with Particles in the atom and atomic radius, Mass spectrometry, Electrons, energy levels and atomic orbitals, Relative masses of atoms and molecules.

16 questions, newest first

9701/11/O/N/25 Question 40 · 1 mark
9701/21/O/N/25 Question 1 part (a(ii)) · 1 mark
9701/22/O/N/25 Question 1 part (a(ii)) · 1 mark
9701/23/O/N/25 Question 1 part (a(ii)) · 1 mark
9701/21/M/J/25 Question 2 part (a) · 1 mark
9701/21/O/N/22 Question 1 part (b(i)) · 1 mark
9701/23/O/N/22 Question 1 part (b(i)) · 1 mark
9701/21/M/J/22 Question 1 part (e(iii)) · 2 marks
9701/12/F/M/21 Question 1 · 1 mark
9701/22/O/N/20 Question 1 part (c) · 1 mark
9701/21/M/J/20 Question 1 part (a(i)) · 1 mark
9701/13/M/J/19 Question 32 · 1 mark
9701/22/O/N/18 Question 1 parts (c(i)) (c(ii)) · 3 marks
9701/12/O/N/17 Question 1 · 1 mark
9701/21/M/J/16 Question 1 part (d(i)) · 1 mark
9701/22/M/J/16 Question 1 part (c(i)) · 1 mark

More in Atomic structure: Particles in the atom and atomic radius, Electrons, energy levels and atomic orbitals, Ionisation energy.

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