Slide 1Particles 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 of an…
Slide 1Chapter 2 Atoms and their structure Slide 2 History of the atom Original idea of the atom: Ancient Greece (400 B.C.) n Greek philosophers Democritus and Leucippus…
Slide 1 Subatomic Particles, Atomic Number and Atomic Mass Slide 2 Subatomic particles Electron Proton Neutron NameSymbolCharge Relative mass Actual mass (g) e-e- p+p+ nono…
1.Inside The Atom2. Structure of the Atom There are two regions The nucleus With protons and neutronsPositive charge Almost all the mass Electron cloud- Most of the volume…