Chapter 13: Q 32 E (page 554)
Give an example of an ionic compound where both the anion and the cation are isoelectronic with each of the following noble gases.
Answer
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Some plant's fertilizer compounds are and .
Which of these compounds contain both covalent and ionic bonds?
Which of the following statements is(are) true? Correct the false statements.
a. The molecules SeS3, SeS2, PCl5, TeCl4, ICl3, and XeCl2 all exhibit at least one bond angle which is approximately 120 degrees.
b. The bond angle in SO2 should be similar to the bond angle in CS2 or SCl2.
c. Central atoms in a molecule adopt a geometry of the bonded atoms and lone pairs about the central atom to maximize electron repulsions.
Question: Lewis structures can be used to understand why some molecules react in certain ways. Write the Lewis structures for the reactants and products in the reactions described below.
a. Nitrogen dioxide dimerizes to produce dinitrogen tetroxide.
b. Boron trihydride accepts a pair of electrons from ammonia, forming
NH3BH3.
Give a possible explanation for why these two reactions occur.
Consider the following energy changes
Draw Lewis structures and predict the molecular structures of the following. (See Exercises 97 and 98.)
a. OCl2, KrF2, BeH2, SO2
b. SO3, NF3, IF3
c.CF4, SeF4, KrF4
d. IF5, AsF5
Which of the above compounds have net dipole moments (are polar)?
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