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If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a
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When determining the shape of a molecule, it is important to draw a lewis dot structure first in order to see the total number a. electrons within the moleculeb. bonding and unshared pairs around central atomc. unshared pair within the molecule( i really need it )
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Asolid that forms and separates from a liquid mixture is called
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In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?
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Which isotope is appropriate for dating rocks that are billions of years old a. carbon-12 b. carbon-...
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