edexcel AS Level question?
I've been think about this question and I dont seem to know the answer, please help me if you know anything about it!! 
Thanks<3
The ionic radii in nm of some ions are given below.
Li+ 0.074
F– 0.133
Ca2+ 0.100
Cl– 0.180
O2– 0.140
S2– 0.185
(b) Which of the following compounds will show the greatest difference between the
experimental (Born-Haber) lattice energy and that calculated from a purely ionic
model?
A- LiF
B -Li2O
C -CaO
D -CaS
the answer is (D) btw
Thanks<3
The ionic radii in nm of some ions are given below.
Li+ 0.074
F– 0.133
Ca2+ 0.100
Cl– 0.180
O2– 0.140
S2– 0.185
(b) Which of the following compounds will show the greatest difference between the
experimental (Born-Haber) lattice energy and that calculated from a purely ionic
model?
A- LiF
B -Li2O
C -CaO
D -CaS
the answer is (D) btw
(edited 10 years ago)
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