1 - P4, S8
2 - H2S
3 - MgO, Na3P
1)hi,co2,bh3,mno,hf
2)o3,br2,s2,o2
3)fe,na,ba,zn
4)cacl2,mgo,lioh,cuo,k3po4,naoh.
1 - P4, S8
2 - H2S
3 - MgO, Na3P
1)hi,co2,bh3,mno,hf
2)o3,br2,s2,o2
3)fe,na,ba,zn
4)cacl2,mgo,lioh,cuo,k3po4,naoh.