Atomic Structure Notes

Pre-AP Chemistry 1 Chapter ________ Name _____________________________ Period ______ I. Historical Development (3-1) x particle theory of matter first proposed by ________________________ in 400 BC ? named the basic particle the ?_______________?, which means ____________________ in Greek x by 1700?s most scientists accepted definition of an _____________ as a substance that cannot be broken down by ordinary ________________ means x also accepted that _______________ combine to form ________________ x _______________________: the transformation of a substance or substances into 1 or more