Theory of Atomic Structure Greeks – Democritus, Leucippus Over 2000 years ago All matter is composed of tiny particles These particles are so small that they cannot be…

Atomic History and Theories Atom Definition: the smallest particle of any element that retains the properties of that element. Practice Quiz What is the smallest particle…

History of the Atom & Atomic Structure History of the Atom & Atomic Structure Atomic Structure Chemistry Ms. Piela History of the Atom Democritus (460 BC â 360 BC)…

History of the Atom & Atomic Structure History of the Atom & Atomic Structure Atomic Structure History of the Atom Democritus (460 BC â 360 BC) Ancient Greek philosopher…

History of the Atom & Atomic Structure History of the Atom & Atomic Structure Atomic Structure History of the Atom Democritus (460 BC â 360 BC) Ancient Greek philosopher…