DP Chemistry (last assessment 2024)

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Question 18M.2.sl.TZ1.2b

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Date May 2018 Marks available [Maximum mark: 1] Reference code 18M.2.sl.TZ1.2b
Level sl Paper 2 Time zone TZ1
Command term State Question number b Adapted from N/A
b.
[Maximum mark: 1]
18M.2.sl.TZ1.2b

Calcium carbide, CaC2, is an ionic solid.

(b)

State the electron configuration of the Ca2+ ion.

[1]

Markscheme

1s22s22p63s23p6

OR

[Ar]

[1 mark]

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