Definition
Amedeo Avogadro was an Italian scientist who made groundbreaking contributions to molecular theory. He formulated Avogadro's Law, stating that equal volumes of gases contain the same number of molecules under the same conditions. He proposed the concept of Avogadro's number, a fundamental constant in chemistry. He struggled for recognition during his lifetime, but his work later became foundational to chemistry. Think of him as an unsung hero of science. He laid the groundwork for understanding the relationship between macroscopic and microscopic properties of matter.