Ответ:PH3 ( P- 3, H- 1), MgO (Mg - 2, O- 2), SO3 (S-6, O-2), P2O5 (P- 5, O- 2), CaH2 (Ca- 2, H-1), Mn2O7 (Mn- 7, O- 2), NaH (Na- 1, H-1), Cl2O (Cl- 1, O-2)
Объяснение:
PH3 ( P- 3, H- 1), MgO (Mg - 2, O- 2), SO3 (S-6, O-2), P2O5 (P- 5, O- 2), CaH2 (Ca- 2, H-1), Mn2O7 (Mn- 7, O- 2), NaH (Na- 1, H-1), Cl2O (Cl- 1, O-2)