The periodic table shows all the atoms that everything in the known universe is made from. It’s kind of like the alphabet in which only 26 letters, in different combinations, make up many thousands of ...

Celebrating Chemistry. Celebrating Chemistry is designed to engage and educate children (Grades 4-6) in the basic principles of chemistry and are available in both English and Spanish.Most editions ...

Who made the first periodic table? Other scientists had previously identified periodicity of elements, but on March 6, 1869 Dmitri Mendeleev (photo) presented the first periodic table. Mendeleev was a ...

In this periodic table of elements quiz, you have 10 minutes to name as many elements as you can, given only their symbol, atomic weight and the broad group they live in.

Explore the periodic table, and build atoms and molecules in this web edition of the NOVA Elements iPad App. It's Elemental In this interactive periodic table, explore the elements and their ...

Since the turn of the century, six new chemical elements have been discovered and subsequently added to the periodic table of elements, the very icon of chemistry. These new elements have high ...