A1.1 Check and Reflect A1.2 Check and Reflect
A. The modern atomic model is based on the principles of . B. Greek
A. Introduction to Chemistry, Atoms and Elements
A. Highlights for Section 1 pages 83
A) electrons B) neutrons C) positrons D) protons 1. According to the
a worksheet on C1.1
A time line discussion on the discovery of radioactivity and isotopes
A Short History of Atomic Models.v2
A Salute to Dr Ernest Rutherford