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Chemistry
Chemistry
Problem
Which of the following isoelectronic ion has the lowest ionization energy? a.
K
+
\text{K}^+
K
+
b.
Cl
−
\text{Cl}^-
Cl
−
c.
Ca
2
+
\text{Ca}^{2+}
Ca
2
+
d.
S
2
−
\text{S}^{2-}
S
2
−
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