Particles in the Atom Each element is chemically unique. To understand why they are unique, you need to know the structure of the atom (the smallest particle.
Chemistry 1 - Atomic Structure
The Chemical Context of Life Chapter 2. Matter Matter consists of chemical elements in pure form and in combinations called compounds; living organisms.
RADIOACTIVITY AND NUCLEAR REACTIONS Chapter 18. The Nucleus Protons and neutrons are packed tightly in the nucleus, where you find the majority of the.
