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Chemistry
Chemistry
Problem
When a selenium atom (atomic number 34) forms its most common monatomic ion, what charge does the ion possess? a)
1
−
1^{-}
1
−
b)
4
+
4^{+}
4
+
c)
2
−
2^{-}
2
−
d)
2
+
2^{+}
2
+
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