DP Chemistry (last assessment 2024)

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Question 18M.2.hl.TZ1.2e

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Date May 2018 Marks available [Maximum mark: 2] Reference code 18M.2.hl.TZ1.2e
Level hl Paper 2 Time zone TZ1
Command term Sketch Question number e Adapted from N/A
e.
[Maximum mark: 2]
18M.2.hl.TZ1.2e

Calcium carbide, CaC2, is an ionic solid.

(e)

Sketch a graph of the first six ionization energies of calcium.

[2]

Markscheme

M18/4/CHEMI/HP2/ENG/TZ1/02.e/M

general increase

only one discontinuity between “IE2” and “IE3”

[2 marks]

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