Is Lactose a Molecular Compound? A Look at Milk's Molecular Makeup
                                
                                
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                                    3 min read                                
                            
                                Lactose, with the molecular formula C₁₂H₂₂O₁₁, is a disaccharide found in mammalian milk and is composed of galactose and glucose subunits joined by a glycosidic bond. To answer the question, "is lactose a molecular compound?", one must understand the principles of chemical bonding, which define how atoms combine to form substances.