Homework Help: SCIENCE (NEED NOW!!!!)

Posted by sammie doodles :-) on Tuesday, September 27, 2011 at 7:59pm.

NEED NOW!!!!!!!!!!!!!! how many groups are there in the periodic table? and how many periods are there in the periodic table?

SCIENCE (NEED NOW!!!!) - smileyface, Tuesday, September 27, 2011 at 8:06pm
group number is 18 and 7 periods

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