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    Chemistry problems

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    _____1) Which atom below has 4 valence electrons?
    a) Carbon b) Beryllium c) Hydrogen d) Nitrogen e) None

    _____2) What is the correct Lewis dot structure for oxygen?
    a) b) c) d) e) no right choice

    _____3) Which chemical has the most number of valence electrons in its Lewis structure (electron-dot structure)?
    a) methane b) hydrogen cyanide c) dihydrogen monoxide d) nitrogen trihydride e) all the same

    _____ 4) Which choice below has the correct Lewis structure (electron-dot structure) ?
    a) b) c) d) e) all are incorrect

    ____ 5) What is the molecular geometry of dihydrogen monoxide?
    a) linear b) trigonal planar c) bent d) tetrahedral e) no right answer
    6) For each of the chemical listed, place a check mark () on all the type of attractive / intermolecular forces that the chemical possesses and determine if the chemical is polar or nonpolar.
    Dipole-Dipole LDF H-Bond Circle the correct choice.
    methane Nonpolar or polar
    Hydrogen cyanide Nonpolar or polar
    Dihydrogen monoxide Nonpolar or polar
    Nitrogen trihydride Nonpolar or polar

    Complete the Lewis Structure for the chemical below, and answer the questions next to the structure.

    What is the molecular geometry around the carbon atom?
    a) linear b) trigonal c) bent d) tetrahedral e) no right choice

    What is the molecular geometry around the oxygen atom?
    a) linear b) trigonal c) bent d) tetrahedral e) no right choice

    Is the chemical polar or nonpolar?

    Name all the intermolecular forces this chemical possesses.

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    https://brainmass.com/chemistry/general-chemistry/molecular-geometry-carbon-atoms-287959

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    ¬¬__A__1) Which atom below has 4 valence electrons?
    a) Carbon b) Beryllium c) Hydrogen d) Nitrogen e) None

    __C__ 2) What is the correct Lewis dot structure for oxygen?
    a) b) c) d) e) no right choice

    __B__3) Which chemical has the most number of valence electrons in its Lewis structure (electron-dot structure)?
    a) methane b) hydrogen cyanide c) dihydrogen monoxide d) nitrogen trihydride e) all the ...

    Solution Summary

    This posting contains the solution to the given problems.

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