DP Chemistry (last assessment 2024)

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Question 21M.2.sl.TZ1.1a

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Date May 2021 Marks available [Maximum mark: 1] Reference code 21M.2.sl.TZ1.1a
Level sl Paper 2 Time zone TZ1
Command term Outline Question number a Adapted from N/A
a.
[Maximum mark: 1]
21M.2.sl.TZ1.1a

Iron may be extracted from iron (II) sulfide, FeS.

(a)

Outline why metals, like iron, can conduct electricity.

[1]

Markscheme

mobile/delocalized «sea of» electrons

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