笔趣书阁 - 都市小说 - 回忆频频扰在线阅读 - 29、哎,又是一道化学送分题

29、哎,又是一道化学送分题

      Solidelements,codedasG,JandQ,belongtothesameperiodoftheperiodictable,andformoxideswiththefollowingproperties:

      GO3reactswithwatertoformastronglyacidicsolution,

      J2O3reactswithstrongacidsandstrongalkalis,

      Q2Oreactswithwatertoformastronglyalkalinesolution.

      (a)Statewhichoxidewouldbedescribedasamphoteric.(1mark)

      (b)State,givingreasons,whichofG,JorQismostelectronegative.(2mark)