Structur of atom
Structur of atom by alex
Atomic Theory. Democritus The Greek philosopher Democritus (460 B.C. – 370 B.C.) was among the first to suggest the existence of atoms (from the Greek.
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.
Greek philosophers (300 BC) proposed matter was made of 4 elements: earth, air, fire, water. Democritus coined the word “atom” meaning “cannot be.
“Atomic Structure”
