Democritus (470-380 B.C.)
first guy, Name comes from "atomos"
Means "something that cannot be divided", little ball of matter that could not be cut up into smaller pieces
solid, with no internal structure
Aristotle (384-322 B.C.)
the Parliament of Paris (by decree in 1624) and the Catholic Church
In 1808 stated a five-point theory/model about atoms in a textbook called A New System of Chemical Philosophy
Robert Boyle, Antoine Lavoisier and Joseph Proust
experimental observations available at the time, not just philosophical thought
based on later experimental data
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions above and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see this FAQ.