hurul_ain15 can u tell me what is the zmaczy triangular periodic table and how to use..i'm a teacher and i like to know about this..please reply me asap

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Bill Mac Rumor has it that the Grou.ps folks will be adding sub-groups features "some time" in the near future. As a teacher or student of chemistry, how do you see the Chemistry Students sub-group? What would benefit you and/or your students?

xgr.anion2009 Hi