来自刘启水的问题
几道化学题,麻烦了1.写出下列符号含义O________O2_______N2________2N2_________2.写出下列物质的组成和构成SO2_________H2SO4_________NaCl_________3.指出物质所属类别Cu________MgO________KMnO4________H2O_________H2________
几道化学题,麻烦了
1.写出下列符号含义
O________O2_______N2________2N2_________
2.写出下列物质的组成和构成
SO2_________H2SO4_________NaCl_________
3.指出物质所属类别
Cu________MgO________KMnO4________H2O_________H2_________
糖水___________
1回答
2020-10-29 12:28