来自宋春景的问题
写出下列化学式的名称．Na2O______，Hg______，NO2______，P2O5______，Fe3O4______，NaOH______，CaCO3______，Cu2O______，FeCl2______KHSO4______．
写出下列化学式的名称．
Na2O______，Hg______，NO2______，P2O5______，Fe3O4______，
NaOH______，CaCO3______，Cu2O______，FeCl2______KHSO4______．
1回答
2020-09-26 08:09