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Compare and contrast physical changes with chemical changes.
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Helium decays to form lithium. which equation correctly describes this decay?
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Some familiar products contain some of the same types of atoms. for instance, the chemical formula for baking soda is nahco 3. the chemical formula for liquid bleach is naclo, and the chemical formula for table salt is nacl. which choice best describes why these three products have some of the same types of atoms in common?
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What is the most common reason for matter changing its state?
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Match the following definitions
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