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    Explaining a Molecule's Physical Properties

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    It is important to know if a particular molecule is composed of elements with different electronegativities as well as the structure of the particular molecule to explain the physical properties (such as boiling/melting point, solubility, etc.) of the molecule. Fully explain why you need to know both the electronegativity of each element in the compound and the structure of the molecule to explain the molecule's physical properties.

    © BrainMass Inc. brainmass.com December 24, 2021, 10:49 pm ad1c9bdddf
    https://brainmass.com/chemistry/bonding/explaining-molecules-physical-properties-510374

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    Electronegativity difference is important as it determines the polarity of a bond. Polar bonds can result in polar molecules depending on the structure. Polar molecules like polar molecules. So, for example, polar compounds will dissolve in polar solvents but not in non-polar solvents. Hence it is useful to know electronegativity and structure. Another example would be boiling points. Polar molecules bind strongly to each other. This means more energy is required to break these forces, hence boiling point is higher. Thus one can predict the relative boiling points of 2 compounds knowing if they are polar or not.

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    © BrainMass Inc. brainmass.com December 24, 2021, 10:49 pm ad1c9bdddf>
    https://brainmass.com/chemistry/bonding/explaining-molecules-physical-properties-510374

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