| Author | Message | ||
     S.4 Username: 20011050 Registered: 04-2003 |
There are some questions. 1) NH3 ¦P NH4- ¤À§O«Y«ü¤°»ò??? 2) Ionic compounds are soluble because of attractive forces exist between the ions in compounds and water molecules. -->«Yø«Y²b«Y±owater¦³¹q·¥³oºØ¯S½è?? 3) H2O and sugar belong to which structure?? 4) CO2 is simple molecular structures SiO2 is giant covalent structures SiO2 CO2 ªºcovalent bonds¼gªk³£«Y¤@¼Ë.¦ý«YÓstructures´Nø¦P..¨âªÌ«Yø«YøÃö¨Æ? Thanks! | ||
| Chio U Kim Username: cuk Registered: 04-2003 |
NH3 is a neutral molecule NH4+ is a positive ion H2O and sugar are simple molecular structures. There is not apparent relationship between structure and formula. |