The lattice constant of unit cell of KC1 is 0.303 nm. The number of
atoms/mmº of plane (100) is
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1
Answer:
Explanation:
For NaCl type structure, r
+
+r
−
=
2
a
, where a is the edge length of the unit cell.
So,
a
NaCl
a
KCl
=
r
Na
+
+r
Cl
−
r
K
+
+r
Cl−
=
r
Cl
−
r
Na
+
+1
r
Cl
−
r
K
+
+1
=
0.5+1
0.7
0.5
+1
=1.143
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