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    Question 11.2
    Which one of the following does not occur as diatomic molecules in elemental form?

    Bromine
    Nitrogen
    Hydrogen
    Sulfur
    Oxygen

    Question 12.2
    Sulfur forms an ion with a charge of _______.

    +3
    +2
    -6
    -2
    +6

    Question 13.2
    Which species below is the nitrate ion?

    NH4+
    NO2-
    N3-
    NO3-
    N3-

    Question 14.2
    The correct name for CCl4 is _______.

    carbon chloride
    carbon perchlorate
    carbon tetrachloride
    carbon tetrachlorate
    carbon chlorate

    Question 15.2
    The correct name for Ni(CN)2 is ___________.

    nickel cyanate
    nickel(II) cyanide
    nickel(I) cyanide
    nickel carbonate
    nickel(I) nitride

    Question 16.2
    What is the coefficient of O2 when the following equation is balanced?
    C2H4O + O2 CO2 + H2O

    3
    4
    5
    2
    1

    Question 17.2
    Which one of the following substances would be the product of this combination reaction?
    Al(s) + I2(s) __________

    AlI2
    AlI
    Al3I2
    Al2I3
    AlI3

    Question 18.2
    A certain element has three isotopes. The isotopic masses (amu) and abundances are: 159.37 (30.60%), 162.79 (15.79%), and 163.92 (53.61%). What is the average atomic weight (amu) of the element?

    162.35
    33.33
    163.15
    162.03
    161.75

    Question 19.2
    Calculate the percentage by mass of hydrogen in PtCl2(NH3)2.

    0.034
    1.558
    2.016
    1.008
    0.672

    Question 20.2
    How many grams of sodium carbonate contain 1.773 x 1017 carbon atoms?

    6.066 x 10-5
    1.517 x 10-5
    1.011 x 10-5
    3.121 x 10-5
    9.100 x 10-5

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    https://brainmass.com/chemistry/stoichiometry/multiple-choice-43819

    Solution Summary

    It provides answers of the multiple choices questions in general chemistry.

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