Укажите ряд, в котором приведено одно сложное и два простых вещества.

  1. CO, NO, S₂
  2. Mn, Br₂, Cu
  3. P₄, N₂O, CH₄
  4. S₈, O₃, CO₂

📝 Detailed explanation

S₈ и O₃ — простые, CO₂ — сложное.
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