Dalton's Atomic Theory

Dalton’s Atomic Theory

In the early 1800s, a British scientist named John Dalton developed the first scientific atomic theory based on experimental evidence. While earlier philosophers like Democritus had suggested the existence of atoms, Dalton was the first to support the concept with scientif...

Atoms are the building blocks of all matter. Over 2,500 years ago, Democritus proposed this idea, but without proof, it was dismissed. Around 1800, English scientist John Dalton revived it.

Dalton's experiments revealed that elements consist of indivisible atoms, which combine in fixed ratios to form compounds. For example, water always fo...