教育专题：化学式与化合价

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,4.,9-,1-,4-:,MgO,(),NaClO,3,(),NaCl,(),.,H,2,O,Al,2,O,3,SO,2,Fe,3,O,4,KMnO,4,.,1.()2.(),3.(,)(,(,4.(,)(),5.(),!,1.,2.0 .,3.:-,4.().,5.1+2 .,6.:,.,:1+2+2+3+,7.:,.,!,.,.,.,.,.,.,ZnCl,2,Zn NaOH,+2,-1,0,+1,-2,+1,.,(1)MgO (2)K,2,0 (3)H,2,0 (4)Ca(OH),2,+2-2,+1,-2,+1-2,+2-2+1,1.,1.,:.,2.,+1+X+(-2)3=0,X=+5,KClO,3,.,【,】,:,:,KClO,3,Cl,X,.,:,+5,KClO,3,+,1,-,2,X,3.,.(),.,.,.(.),P O,P O,+3-2,P O,+3-2,P,2,O,3,P O,P O,+5-2,P O,+5-2,P,2,O,5,+3-2,+3-2,P,2,O,3,P,2,O,5,+5-2,-3+5+.,1.4+.,2.,.,H,Mg,Al,Cl,SO,4,-1,-2,+1,+2,+3,SO,2,(S O,S O,+4-2,S O,+2-1,SO,2,),HCl,MgCl,2,AlCl,3,H,2,SO,4,MgSO,4,Al,2,(SO4),3,.,1.,H,2,S S H,2,SO,3,H,2,SO,4,-2,0,+4,+6,2.,K,OH,Mg(,NO,3,),2,Ba,SO,4,Na,2,CO,3,Na,3,PO,4,-2,-1,-1,-2,-3,:.,:,NH4,+1,.,.,H,3,RO,4,1+2+,R,(,),A,.,+3 B,.,+4 C,.,+5,.,D +6,2.5+,(),A,.,N0 B,.,NO,2,C,.,HNO,3,D,.,KNO,3,3.,R,R,2,O,3,R,OH,-,(),A.ROH B.R(OH),2,C.R(OH),3,D.R(OH),4,.,.,1.(,Ca,2,O,2,)2.(,FeCl,2,),3.(,ZnCl,)4.(,NaCO,3,),5.(,ClNa,)6.(,CaOH,),_,C,D,C,CaO,FeCl,3,ZnCl,2,Na,2,CO,3,NaCl,Ca(OH),2,.,.,:,112-:5432,