A Tour of the Periodic Table by Bozemanscience.com. Chemicool: Periodic Table of Elements and Chemistry. WebElements. Visual Elements Periodic Table. The Photographic Periodic Table of the Elements. The Periodic Table of Elements. Elements & Periodic Table. Now we're getting to the heart and soul of the way the Universe works.
You know that a generic atom has some protons and neutrons in the nucleus and some electrons zipping around in orbitals. When those pieces start combining in specific numbers, you can build atoms with recognizable traits.