Page 2 - Herlihy: The Human Body in Health and Illness, 3rd Edition
P. 2
3. Atoms
a. Atomic structure (Figure 2-2)
i. Parts.. An atom has a nucleus (sun) surrounded by electron-
containing orbits
a. Nucleus
b. Shells.._
ii. Subatomic particles
a. Neutrons
1. Located within the nucleus
2. Neutral charge (0)
b. Protons
1. Located within the nucleus
2. (+) charge
c. Electrons
1. Located in the shells or orbits
2. (–) charge
