1 Atomic Number The atomic number is equal to the number of protons in the nucleus. Sometimes given the symbol Z. On the periodic chart Z is the uppermost.
© 2012 Pearson Education, Inc. Chapter 2 ATOMS, MOLECULES AND IONS James Hill California State University, Sacramento with contributions by Todd Austell.
1. The earliest models 2. Smaller than the Smallest .
Chapter 2 Atoms, Molecules and Ions
Atomic Number
CHAPTER 5
