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Unformatted text preview: Chapter 22 Ionic Bonds Quiz: Did you read Chapter 22 for today? ) es a) Yes b) No Earth Results of Balloon Experiments s Peak sound pressure levels greater than 150 dB at 2 m s Pd with H2 catalyst…160 dB at 2 m Trends in materials s Remember this from chapter 12? s Metals have MELTING TEMPERATURE ° C BOILING TEMP ° C (under 1 atm pressure) State At Room Temp Helium doesn’t form solid except under high -269 Gas high melting temperatures. So does table salt which has a metal in it. except under high pressure! Hydrogen-259-253 Gas Neon-249-246 Gas Nitrogen-210-196 Gas Water 100 Liquid Ethanol-117 78.5 Liquid Table salt 801 1413 Solid Copper 1083 2567 Solid Gold 1065 2807 Solid Ionic Bonding – Metal to Nonmetal s When a metal and a nonmetal bond, both get what they want. • The metal loses the electron c o m p l e t e l y and the nonmetal gains it c o m p l e t e l y . They become i o n s . Na Cl + s Ionic materials are held together in a network by electromagnetic attraction....
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This note was uploaded on 11/30/2011 for the course PHY S 100 taught by Professor Staff during the Winter '08 term at BYU.
- Winter '08