நாவின் நுனி அன்னத்தின் நுனியை பொருந்துவதால் பிறக்கும் எழுத்துக்கள்
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Explanation:
The lattice energy depends on the attraction between the oppositely charged ions.
The force of attraction
F
is directly proportional to the charges (
q
1
and
q
2
) on the two ions and on the distance
r
between them.
F
=
q
1
q
2
r
2
The distance between the charges
r
is the sum of the ionic radii.
r
=
r
anion
+
r
cation
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