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Chemistry 20 Online
OpenStudy (anonymous):

The periodic law states that elements that have similar properties appear _________. A.to the left of each other B.at regular intervals

OpenStudy (anonymous):

Elements that have similar properties appear at regular intervals. http://www.preservearticles.com/201012302011/mendeleefs-periodic-law.html

OpenStudy (anonymous):

Thank you (:

OpenStudy (anonymous):

No problem! :)

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