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Compare and contrast physical changes with chemical changes.
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According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons
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Reduction is a reaction which results in a in electrons and a in positive charge of the atom or ion 1) a- loss 1) b- gain 2) a-increase 2) b-decrease
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1. An unknown compound was found to have a percent composition of: 47.0%
potassium, 14.5% carbon,...
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