DP Chemistry (last assessment 2024)

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Question 19M.3.sl.TZ1.b(iv)

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Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.3.sl.TZ1.b(iv)
Level sl Paper 3 Time zone TZ1
Command term Sketch Question number b(iv) Adapted from N/A
b(iv).
[Maximum mark: 1]
19M.3.sl.TZ1.b(iv)

Physical properties of elements vary according to atomic number. Sections 6 to 9 of the data booklet list some of these properties.

Sketch how the first ionization energies of elements vary with their atomic radius.

 

[1]

Markscheme

  [✔]

 

Note: Accept any negative sloping line.

Do not award mark if line touches either axis.

Examiners report

Most students sketched a negative correlation between IE and radius, but then many lost the mark by drawing a line that met an axis; it is not possible for either to have a value of zero.

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