[Verse 1] Humphry Davy wired a battery up one storm-dark English night, Cranked the voltage, went hunting for elements hid from sight, Molten potash sizzled, popped a silver-violet bead, Sodium born of lightning — his cousin swore he danced indeed. Two things meet and marry, that's the lesson bottled here today, A plus B becomes A-B, the simplest rule chemists obey. [Chorus] Deux en un, two become one, Zwei und eins, under the sun, Add them up, nothing's leftover, the math always comes undone, Synthesis, synthesis, deux en un. Sodium plus chlorine, c'est l'amour qui fait du sel, Poison and metal shaking hands — ain't that chemistry's spell. [Verse 2] Sodium's a coward wrapped in oil, too soft to hold its shape, Drop it in water, it hisses, pops, and makes a wild escape, Chlorine was the trench fog, green and choking, soldier's dread, Yet pair them up, electrons swap, and anger turns to bread-salt instead, Two sodiums plus one chlorine gas, arrow, two salts appear, The deadliest guests at the table leave the whitest crystal here. [Chorus] Deux en un, two become one, Zwei und eins, under the sun, Davy's laughter, Faraday grinning, the reaction's begun, Synthesis, synthesis, deux en un. Sodium plus chlorine, c'est l'amour qui fait du sel, From venom and fire, a seasoning — ain't that chemistry's spell. [Verse 3] Mix iron filings, yellow sulfur, gray meets gold in a dish, Touch a match, it glows incandescent, redder than you'd wish, No more flowing, no more magnet pulling needles to its side, Iron sulfide now, a stranger compound, properties denied From the parents that conceived it — that's the synthesis surprise, Something wholly different wakes when two plain elements compromise. [Verse 4] Hydrogen whispers, oxygen listens, a spark and then a hiss, Two parts one part, water tumbles out of chemistry's abyss, Carbon breathes with oxygen twice, exhales a gas we know, Every rusting nail and candle flame is synthesis on show, Nature's always building, atoms looking for a mate, Watch the world combine itself — creation running at a rapid rate. [Bridge] What joins today may cleave tomorrow, split and come undone, That's decomposition waiting, the mirror of this one, But for now remember: smaller pieces building something whole, Electrons shared or stolen — that's the synthesis control. Zwei Dinge werden eins, mes amis, watch the atoms bond, One new substance, one new nature, reaching far beyond. [Chorus] Deux en un, two become one, Zwei und eins, under the sun, Sodium, chlorine, iron, sulfur — look what love has spun, Synthesis, synthesis, deux en un. [Outro] A plus B gives A-B, murmure la France, so whispers the flame, Zwei Dinge werden eins — two things become one, learn the name, Salt and sulfide, lessons written in spark and brine, Two become one, hold that mnemonic — it's chemistry's design.
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