Historical Atomic Structure

Objectives

1 – Recognize discoveries from Dalton (atomic theory), Thomson (the electron), Rutherford (the nucleus), and Bohr (planetary model of atom) and understand how these discoveries lead to the modern theory. (2.1)

2 – Explain the importance of the Dalton's Five Basic principles of his Atomic Theory.

3 - Interpret Dalton's Atomic Theory in terms of the Laws of Conservation of Mass, Definite Composition, and Multiple Proportions. (2.3)

4 – Summarize Thomson's contribution to the internal structure of the atom.

5 – Describe Rutherford’s “gold foil” experiment that led to the discovery of the nuclear atom. (2.2)

6 - Identify the major components (protons, neutrons, and electrons) of the nuclear atom and explain how they interact. (2.2)

7 – Decipher an element’s nuclear symbol in terms of electrons, protons, and neutrons.