Answers

2014-09-21T19:23:29+08:00
This perriodic table was already classified, just read it and be guided with the colors.
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2014-09-26T19:29:28+08:00
Metals are on the left side of the zigzag line
Nonmetals are on the right side
mettaliods compose the zigzag line (B,Si,Ge,As,Sb,Te,Po,At)
Noble gasses are the last column on the periodic table
2 4 2