1
Q
metallic solid MP
A
no trend in MP/BP
2
Q
metallic solid
A
Na
- no trend in MP/BP
- extended network held by metallic bonding
- malleable, ductile
- good conductor of both heat + electricity
3
Q
ionic solid MP
A
high MP/BP
4
Q
ionic solid
A
NaCl
- high MP/BP
- extended network held by ionic bonding
- brittle
- do not conduct in solid state (insulators)
5
Q
molecular solid MP
A
low MP/BP
6
Q
molecular solid
A
CH3OH, HBr, I2
- discrete molecules
- held together by intermolecular forces
- soft
- insulating
- low MP/BP
7
Q
network-covalent MP
A
high MP/BP - VERY high temperatures
8
Q
network covalent solid
A
Si, Ge, SiO2
- extended network of ATOMS
- brittle
- hard
- semiconductors or insulators
- covalent bonding
9
Q
polymeric solid
A
- long chains - high molecular weight
- covalent bonding
- insulators
- intermediate MP/BP
Chem 1610
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