Can you name everything from Ac to Zr? Test your knowledge of the periodic table and see if you can top the leaderboard ...

Discover the history, structure, and importance of the periodic table of elements, from Mendeleev’s discovery to modern scientific applications.

These elements tend to come from two specific areas of the periodic table: the d-block metals like cobalt, nickel, and iron, and the f-block actinides lanthanides, which include the rare-earth ...

At the far end of the periodic table is a realm where nothing is quite as it should be. The elements here, starting at atomic number 104 (rutherfordium), have never been found in nature. In fact ...

Divide the class into 10 groups of 2 or 3 students each. Print out the Element Cards and play the Periodic Table Game, Game #1. Lesson 4.2 and 4.3 Element Cards PDF All Downloads Students can also try ...

The asteroid named 33 Polyhymnia is so dense that researchers theorize that it may be made up of elements not contained on the periodic table.

During the process, they discovered something unexpected about this particular f-block element on the periodic table that could help us understand transuranium elements more broadly as well as ...