1. Considering ionic compounds, a) What type of elements tend to form cations and why? b) What type of elements tend to form anions and why? c) What is the formula for aluminum oxide? Describe or show what happened to the valence electrons of each atom to make the compound.

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ChapterU2: Smells: Molecular Structure And Properties
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1. Considering ionic compounds,
a) What type of elements tend to form cations and why?
b) What type of elements tend to form anions and why?
c) What is the formula for aluminum oxide? Describe or show what happened
to the valence electrons of each
atom to make the compound.
2. Considering molecules and covalent bonding,
a) Draw the Lewis structure of SO2 that obeys the octet rule. (Draw this out on
paper, take a photo, and embed
this image into the document you will submit).
b) Label on your structure which electrons are bonding and which are
nonbonding.
c) What is the molecular shape of this molecule?
d) Look up the electronegativities of these two elements in Figure 4.5 of the
text. Would you expect this
molecule to be polar or nonpolar? Why?
3. What is molecular recognition, how is it used to create medicines and materials, and why is it advantageous to use
this in the manufacturing new drugs and medicines?
4. Carbon dioxide in the atmosphere has been a topic in the news lately as one of the major causes of global warming
and climate change (a topic we will explore later). One of the major components of gasoline is octane and it undergoes
the following reaction in your car:
2 C3H18 (1) + 25 O2 --> 16 CO2 + 18 H2O
If the typical tank can hold 42.6 kg of gasoline, how many kg of CO2 will be released into the air from using your car?
Write out your work for this problem, take a photo, and embed it into the document you submit.
Transcribed Image Text:1. Considering ionic compounds, a) What type of elements tend to form cations and why? b) What type of elements tend to form anions and why? c) What is the formula for aluminum oxide? Describe or show what happened to the valence electrons of each atom to make the compound. 2. Considering molecules and covalent bonding, a) Draw the Lewis structure of SO2 that obeys the octet rule. (Draw this out on paper, take a photo, and embed this image into the document you will submit). b) Label on your structure which electrons are bonding and which are nonbonding. c) What is the molecular shape of this molecule? d) Look up the electronegativities of these two elements in Figure 4.5 of the text. Would you expect this molecule to be polar or nonpolar? Why? 3. What is molecular recognition, how is it used to create medicines and materials, and why is it advantageous to use this in the manufacturing new drugs and medicines? 4. Carbon dioxide in the atmosphere has been a topic in the news lately as one of the major causes of global warming and climate change (a topic we will explore later). One of the major components of gasoline is octane and it undergoes the following reaction in your car: 2 C3H18 (1) + 25 O2 --> 16 CO2 + 18 H2O If the typical tank can hold 42.6 kg of gasoline, how many kg of CO2 will be released into the air from using your car? Write out your work for this problem, take a photo, and embed it into the document you submit.
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