Covalent Bonding And Nomenclature Chemistry Worksheet Page 6
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6You Try It
1.
Determine whether
each of the following would more likely be formed by polar or
nonpolar molecules.
a.
a solid at room temperature
b.
a liquid with a high boiling point
c.
a gas at room temperature
d.
a liquid with a low-boiling point
2.
Considering what you have learned about forces between atoms and molecules, wh
y
do you think all of the elements in group 18 exist as gases at room temperature?
3.
Arrange the fo
llowing according to increasing boiling point: H
O, H
S, CO
. Justify
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2
2
your ranking.
4.
Arrange the fo
llowing according to increasing boiling point: CH
, CI
, CF
. Justify
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4
4
your ranking.
5.
HF, NH
, and H
O all exhibit hydrogen bonding. H
O, however, has stronger
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intermolecular forces of attraction and therefore a higher boiling po
int. Suggest a
possible explanation as to why H
O has stronger hydrogen bonding.
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