1:31: Show the number of valence electrons in each of the following atoms. Let the element's symbol represent its kernel, and use dots for the valence electrons.
a.) calcium
b.) oxygen
c.) carbon
d.) boron
e.) phosphorus
f.) bromine
1:51: Fill in any unshared electron pairs that are missing from the following formulas:
a.)(CH3)2NH
b.) CH3C-- OH
c.) CH3CH2SH
d.) CH3OCH2CH2OH
1:54 Use lines, dashed wedges, and solid wedges to show the geometry of CCl4 and CH3OH
1:57 Write a structural formula that corresponds to the molecular formula C4H8O and is
a.) acyclic
b.) carbocyclic
c.) heterocyclic
1:58: Divide the following compounds into groups that might be excepted to exhibit similar chemical behavior:
a.) C5H12
b.) CH3NH2
c.) C4H9OH
d.) CH3OCH3
e.) HOCH2CH2OH
f.) C8H18
g.) H2NCH2CH2NH2
h.) CH3OH
i.) (CH3)2CHNH2
j.) C3H7OH
k.) CH3CH2CH3
l.) C6H14
1:31: Show the number of valence electrons in each of the following atoms. Let the element's symbol represent its kernel, and use dots for the valence electrons.
a.) calcium
b.) oxygen
c.) carbon
d.) boron
e.) phosphorus
f.) bromine
1:51: Fill in any unshared electron pairs that are missing from the following formulas:
a.)(CH3)2NH
b.) CH3C-- OH
c.) CH3CH2SH
d.) CH3OCH2CH2OH
1:54 Use lines, dashed wedges, and solid wedges to show the geometry of CCl4 and CH3OH
1:57 Write a structural formula that corresponds to the molecular formula C4H8O and is
a.) acyclic
b.) carbocyclic
c.) heterocyclic
1:58: Divide the following compounds into groups that might be excepted to exhibit similar chemical behavior:
a.) C5H12
b.) CH3NH2
c.) C4H9OH
d.) CH3OCH3
e.) HOCH2CH2OH
f.) C8H18
g.) H2NCH2CH2NH2
h.) CH3OH
i.) (CH3)2CHNH2
j.) C3H7OH
k.) CH3CH2CH3
l.) C6H14
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