Atoms make all things.
17 something?
To Democritus the atom looked like a marble. Democritus theorized that matter could only broken down into pieces of a certain size. These pieces which could not be broken any further were called atoms.
Democritus thought that the world was composed of atoms .
This was an intuition of Leukippus and Democritus.
atoms
Democritus' atomic theory states that atoms are indivisible. That's why they have their name. Atoms is a plural of atom. Atom derives from Atoms. Atoms is greek for INDIVISIBLE. His theory states that atoms cannot be divided any further.
Democritus believed that water atoms were smooth and round, while fire atoms were sharp and spikey. He thought that differences in shapes and arrangements of atoms were responsible for the different properties of substances.
The greeks rejected democritus's idea because they thought that there was something smaller than the atoms.
Democritus
Aristotle
he taught a lot about Atoms. at the time they thought his theory to be true- but as science advanced so did our thinking. you might wanna check out this link; en.wikipedia.org/wiki/Democritus
The word "atom" comes from the ancient Greek "atomos" meaning "uncuttable". The concept of atoms being the smallest part of an element is a natural philosophy that developed in several ancient traditions, and it is therefore difficult to say "who" was the first person to make this claim.