Table 13.4 Trends in Ionic Heats of Hydration
ion
ionic radius (pm)
DHhydr (kJ/mol)
Group 1A
Group 2A
Group 7A
Li+
Na+
K+
Rb+
Cs+
Mg2+
Ca2+
Sr2+
Ba2+
F-
Cl-
Br-
I-
76
102
138
152
167
-510
-410
-336
-315
-282
72
100
118
133
-1903
-1591
-1424
-431
181
-313
196
-284
220
-247
135
-1317
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