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Chemistry 21 Online
OpenStudy (anonymous):

Which is true moving down a column or group in the Periodic Table? A. each element has one more electron B. each element has one less electron C. each element has one more electron shell D. each element has one less electron shell

OpenStudy (anonymous):

@dm91

OpenStudy (photon336):

what do you think? @goose3221

OpenStudy (dm91):

C

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