By Aaradhya Learning Standards Atomic Structure Broad Concept: Atomic models are used to explain atoms and help us understand the interaction of elements and compounds observed…

Atomic Theory Democritus The Greek philosopher Democritus (460 B.C. â 370 B.C.) was among the first to suggest the existence of atoms (from the Greek word âatomosâ) His…

Greek philosophers (300 BC) proposed matter was made of 4 elements: earth, air, fire, water. Democritus coined the word âatomâ meaning âcannot be broken.â Atom seen as…

By Aaradhya Learning Standards Atomic Structure Broad Concept: Atomic models are used to explain atoms and help us understand the interaction of elements and compounds observed…

Unit 3 History of the Atom Democritus about 400 b.c. stated that the “ultimate particle” is atmos He believed that atoms were indivisible and indestructible was not based…

Slide 1 “Atomic Structure” 1 John Dalton John Dalton (1766-1844) was known as the “Father of the modern atom.” He was the first to actually test, previously the Greeks…