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Past exam of the chemistry A course of the University of Cambridge
/
2021
/
Paper 2
/
A9
/
b
/
ii
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Chemistry A course of the University of Cambridge
Past exam of the chemistry A course of the University of Cambridge
2021
Paper 2
A9
b
2026-10-20
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Solution
ii
Solution
0
0
0
ii
One mobile
electron
per
gold
atom
gives
n
e
=
n
Au
≃
4.77
×
1
0
19
electrons
m
−
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
.
Ancestors
(13)
b
A9
Paper 2
2021
Past exam of the chemistry A course of the University of Cambridge
Chemistry A course of the University of Cambridge
Year 2 of the natural sciences course of the University of Cambridge
Year of the natural sciences course of the University of Cambridge
Natural sciences course of the University of Cambridge
Course of the University of Cambridge
University of Cambridge
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