Atomic models
Models of the Atom a Historical Perspective Aristotle Early Greek Theories 400 B.C. - Democritus thought matter could not be divided indefinitely. 350.
1 THE ATOM. NUCLEAR MODEL OF THE ATOM An atom is an electrically neutral particle Composed of protons, neutrons, and electrons. Atoms are spherical in.
5th Grade-Ch. 11 Lesson 2 How do atoms combine
CHEMISTRY 161 Chapter 2. MATTER ATOMS MOLECULES ELEMENTS John Dalton matter is composed of ‘building blocks’
Bellwork Fri. Sept. 7 On your bellwork sheet write “Bill Nye” and on a separate sheet of paper copy down the following: All matter is made of ________.
Unit 5: Periodicity. History of the Periodic Table Dimitri Mendeleev (1836-1907) –Russian chemistry professor Noticed that as he was arranging elements.
