Video narration
Could music's octave really reveal a secret about the elements? In 1865, John Newlands arranged elements by increasing atomic mass and noticed a striking pattern. He called it the Law of Octaves. Like sa, re, ga, ma, pa, dha, ni, then sa again, he saw similar chemical behavior return at the eighth place. Start with lithium: lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine-and the eighth is sodium. These two elements have similar, not identical, properties. But here's the turn: after calcium, the pattern no longer worked reliably for heavier elements. So scientists initially viewed the proposal cautiously. And no-Newlands did not hear a song and build the periodic table. Music was simply his analogy for repetition. So, could music reveal chemistry? Not literally. Newlands made an important early contribution by finding a real, but limited, pattern while arranging elements by atomic mass.