alejandraireta's Channel - YouTube

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2 years ago

metales alcalinoterreos

Los metales alcalinoterreos forman la familia IIA y tienen dos electrones en su nivel de valencia, mismos que pierden al reaccionar. Su estado de o...

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About alejandraireta's channel

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alejandraireta

Latest Activity

May 25, 2009

Date Joined

Oct 24, 2008

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Age

21

Country

Mexico

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