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April 21, 2015

Homework Help: chemistry 2

Posted by ISA on Monday, April 23, 2007 at 11:02pm.

Which group from the periodic table contains two elements that exhibit +2 and +4 oxidation states? 1A, 2A, 3A, 4A, 5A, 6A OR 7A

4A.
C, Sn, Pb

That it 2A and 4A

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