Объяснение:
2Zn + O2 = 2ZnO Zn(II)O(II)
4Li + O2 =2 Li2O Li(I)O(II)
CuO + H2 = Cu + H2O Cu(II)O(II) H(I)O(II)
Объяснение:
2Zn + O2 = 2ZnO Zn(II)O(II)
4Li + O2 =2 Li2O Li(I)O(II)
CuO + H2 = Cu + H2O Cu(II)O(II) H(I)O(II)