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December 21, 2014

December 21, 2014

Posted by **jill** on Tuesday, February 12, 2013 at 8:54pm.

A. periods form horizonal rows;groups form vertical columns

B. groups form horizontal rows;periods form vertical columns

C. catagories form horizontal rows;gases form vertical columns

D. gases form horizontal rows; catagories form vertical columns

- chemistry -
**jill**, Tuesday, February 12, 2013 at 9:22pmwould the answer be B?

- chemistry -
**DrBob222**, Tuesday, February 12, 2013 at 11:43pmA is a true statement.

B is not a true statement.

Periods form rows; groups form columns.

- chemistry -
**umarum977**, Saturday, December 13, 2014 at 2:01pmWhat is periodicity

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