• 2-8-2017 You do have a printed periodic table, right? You can get the information at but you really need your own printed copy to carry with you. It will be a primary reference for everything you do. There is a diagonal line, B-C, Si-P, Ge-As, Sb-Te, and Po-At. Elements to the left of the line are metals, meaning they lose an electron easily, elements to the right of the line are non-metals, and elements on the line are semiconductors.

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