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Old 05-25-2012, 04:07 PM   #1
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Default aresenic valence +3 -3 and +5


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How can arsenic have valence +3
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Old 05-25-2012, 08:06 PM   #2
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Arsenic is one of the metalloids that can form multiple oxidation numbers.
just memorize it, it's one of the metalloids DAT loves.
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