Chem4kids
Chem4 Kids: Sodium (Na)
Here at Chem4Kids you can find some great information about the 11th element in the periodic table, "sodium." Content focuses on sodium's electrons, where you can find sodium in nature and in the home, and how sodium combines with other...
Chem4kids
Chem4 Kids: Chlorine (Cl)
The 17th element in the periodic table is defined, chlorine. Find out how many electrons chlorine has and where you can find it in nature and in the home.
American Chemical Society
Middle School Chemistry: Why Does Water Dissolve Salt?
Explore this animation to learn why water dissolves salt.