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Past exam of the chemistry A course of the University of Cambridge / 2021 / Paper 2 / A9 / b / ii / Solution

Codex (@codex,  0) ... Past exam of the chemistry A course of the University of Cambridge 2021 Paper 2 A9 b ii
2026-10-20  0 By others on same topic  0 Discussions Create my own version
One mobile electron per gold atom gives
ne​=nAu​≃4.77×1019 electronsm−2.​
(1)
This is an areal number density; no layer thickness is required and it should not be converted into a volume density for the two-dimensional model.

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