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Here's the classification of the substances based on their bond types:
Single Bonds:
H₂ (Hydrogen gas)
N₂ (Nitrogen gas)
O₂ (Oxygen gas)
F₂ (Fluorine gas)
Cl₂ (Chlorine gas)
NH₃ (Ammonia)
H₂O (Water - contains two single bonds: H-O-H)
Double Bonds:
CO₂ (Carbon dioxide)
SO₂ (Sulfur dioxide)
Triple Bonds:
CN (Cyanide)