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Unformatted text preview: toppings, a pizza contains the bread and cheese. Identify which of these can be classified as a thermoplastic and which is a thermoset: Bread thermoset __________________ Cheese thermoplastic _______________ The plane shown below is: a) ( 2 1 2 1 0) b) (110) c) (011) d)  d) (010) e) 220 f) (221) g) (111) h)  There are 2000 mers in a polypropylene molecule (mer structure shown below). The molecular weight is: ____84,000 g/mol __or 84,000 amu ________ When a sample of Fe changes from a BCC structure to FCC structure upon heating above 910 ° C, its volume: a) increases b) decreases The coordination number in CaO is: a) 2 b) 3 c) 4 d) 6 e) 8 The nature of bonding in AlTi 3 is: a) mostly ionic b) ionic +covalent c) mostly metallic d) metallic + some ionic e) metallic + permanent dipole f) ionic + permanent dipole Name:_______________________________ y z x C H H C H CH 3 g) covalent within + secondary between molecules...
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- Spring '08
- Atom, Molecule, Chemical bond, 84,000 g, 910°C