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involve atoms of two or more elements, chemically combined, with the atoms in fixed whole number ratios. In general, they can be molecular or ionic |
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some compounds form solids called... |
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hydrates, which contain water molecules in definite proportions |
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Contains the type and number of atoms in each molecule of a molecular compound. |
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are formed bw a metal and a non-metal |
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the metal ion becomes a ___________ and the non-metal an ____________ |
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the formula of such a compoound fives the smallest whole # ratio of the ions and is called _________ |
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MOLECULAR and FORMULA MASSES |
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of molecular and ionic compounds, respectively, refers to the mass in atomic mass units (u) of all atoms in a chemical formula. |
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(mass of element/total mass of compound) x 100% |
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of an unknown compound gives the simplest ratio of atoms of each element in a molecular compound, and can be determined from its experimentally determined mass percent composition |
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the molecular formula of the compound can be determined from the ___________ when the molar mass of the compound is known |
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Molecular formula molar mass = |
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empirical formula molar mass x 'integral factor |
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