Atom3 021611
Physical and chemical properties and process of matter
Chapter 2 – Atoms, Molecules, and Ions Evolution of the Atomic Model Democritus (400 bc) First to conceptualize the atom. He thought that matter was composed.
History of the Atomic Model Democritus (400 BC) Democritus (400 BC)
ATOMS & THE PERIODIC TABLE. Subatomic Particles Protons and electrons are the only particles that have a charge. Protons and neutrons have essentially.
