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The top documents tagged [astatine slide]
Today is October 3, 2012 You need to finish your review sheet from yesterday ON YOUR OWN! There is no talking for the beginning of class I’m going to walk
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P ERIODIC T RENDS. 1. W HICH OF THE ELEMENTS IS THE METALLOID ? 1. Aluminum 2. Silicon 3. Chlorine 4. Magnesium 5. Sulfur
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The Structure of Atoms and Mole Theory. Element: is a pure chemical substance made of one type of atom. They are classified as metals, nonmetals or semimetals
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