Periodic+table

[|Element] - chemical substances are all made of some combination of just 118 pure elements. These elements come together to produce an amazing diversity of materials.

[|Periodic table] - the elements and their properties and abundances.


 * What's the problem?**
 * **Ask** -
 * **Imagine** -
 * **Design, Build** -
 * **Improve** -


 * That's engineering**

>.
 * Engineering ideas**

Challenges for you to work on...
 * Do It**
 * [|Periodic table] - In this interactive periodic table, explore the elements and their properties and abundances.


 * News, updates**


 * Learn more...**

..r0 0e 1a