Ca + Cl₂ = CaCl₂
3Br₂ + 2Fe =2FeBr₃
3I₂ + 2P = 2PI₃
HCl + AgNO₃ = AgCl + HNO₃
2Cl₂ + 7O₂ = 2Cl₂O₇ (условно)
HBr + AgNO₃ = AgBr + HNO₃
HI + AgNO₃ = AgI + HNO₃
