▁condition ▁of ▁electric ▁stress ▁occurs . ▁The ▁acid ▁and ▁the ▁base ▁share ▁the ▁electron ▁pair ▁that ▁formerly ▁only ▁belonged ▁to ▁the ▁base . ▁As ▁a ▁result , ▁a ▁high ▁di pole ▁moment ▁is ▁created , ▁which ▁can ▁only ▁be ▁destroyed ▁by ▁re arr anging ▁the ▁mole cules . ▁ ▁We ak ▁bases ▁▁ ▁A ▁weak ▁base ▁is ▁one ▁which ▁does ▁not ▁fully ▁ion ize ▁in ▁an ▁a que ous ▁solution , ▁or ▁in ▁which ▁pro ton ation ▁is ▁incomplete . ▁ ▁Sol id ▁bases ▁ ▁Ex amples ▁of ▁solid ▁bases ▁include : ▁ ▁Ox ide ▁mi xt ures : ▁Si O 2 , ▁Al 2 O 3 ; ▁M g O , ▁Si O 2 ; ▁Ca O , ▁Si O 2 ▁ ▁Mount ed ▁bases : ▁Li CO 3 ▁on ▁sil ica ; ▁NR 3 , ▁N H 3 , ▁K N H 2 ▁on ▁al um ina ; ▁Na OH , ▁K OH ▁mounted ▁on ▁sil ica ▁on ▁al um ina ▁ ▁In organ ic ▁chemical s : ▁Ba O , ▁K Na CO 3 , ▁Be O , ▁M g O , ▁Ca O , ▁K CN ▁ ▁An ion ▁exchange ▁res ins ▁Char co al ▁that ▁has ▁been ▁treated ▁at ▁ 9 0 0 ▁degrees ▁Cel si us ▁or ▁activ ates ▁with ▁N 2 O , ▁N H 3 , ▁Z n Cl 2 - N H 4 Cl - CO 2 ▁ ▁Depending ▁on ▁a ▁solid ▁surface ' s ▁ability ▁to ▁successfully ▁form ▁a ▁conjug ate ▁base ▁by