Homework Answers
a) Cl ir Cl-
Cl is smaller
because neutral atom size is smaller than anion size.
b) Na of Na+
Na+ is smaller
cation size is smaller than neutral atom
c) O2- or S2-
O2- is smaller
d) Mg2+ or Al+3
Al+3 is smaller
e) Au+ ir Au+3
Au+3 smaller
f) Fe+2 or Fe+3
Fe+3 is smaller .
charge on the cation increases size decreases.
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