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Chemistry 14 Online
OpenStudy (anonymous):

Why do elements in a group on the periodic table have similar chemical properties? A. similar atomic masses B. similar atomic numbers C. same number of protons D. same number of outermost electrons

OpenStudy (anonymous):

@zb

OpenStudy (anonymous):

ill be back

OpenStudy (anonymous):

D

OpenStudy (anonymous):

thanks for the medals, and do you know how to help with my question

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