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Unformatted text preview: Charges CH101/Ison Ch8 Worksheet Name: ____________, ____________ 5. Determine the type of solid for each substance and indicate the substance in each pair that has the higher melting point and explain why. a) Al 2 O 3 or PF 3 dskfh b) NaCl or BeO c) Si or Kr d) CsBr or AlN e) CaF 2 or CS 2 6. Order the three cell types by increasing packing efficiency. 7. Why is diamond so much stronger than graphite? Practice problems: 5, 7, 9, 13, 23, 25, 29, 31...
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- Fall '08