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Chemistry
Chemistry
Problem
Silver (atomic mass =
108
g mol
−
1
108 \text{ g mol}^{-1}
108
g mol
−
1
) has a density of
10.5
g/cm
3
10.5 \text{ g/cm}^3
10.5
g/cm
3
. The number of silver atoms on a surface area of
10
−
12
m
2
10^{-12} \text{ m}^2
1
0
−
12
m
2
can be expressed in scientific notations as
Y
×
10
X
Y \times 10^X
Y
×
1
0
X
. The value of
X
X
X
is: (IIT 2010)
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