The atomic number of tellurium is 52 and the atomic number of iodine is 53, so these elements are in the correct order in the modern periodic table.

Want to learn more about this centerpiece of chemistry? Take your pick from this collection of links about elements and the periodic table! Build an element ball, solve periodic puzzles, and check out ...

Is the periodic table hanging in your lab, classroom, or office woefully out of date ... Celebrating Chemistry is designed to engage and educate children (Grades 4-6) in the basic principles of ...

A chemical element is one of those squares on the periodic table that adorns many a classroom ... it helps to first understand that atoms, the basic units of all matter, are made of protons ...

Well it's actually quite elemental—The Periodic Table of the Elements, that is. The whiz, bang, pop, and color are all possible by combining the most basic substances of which we know ...