Build an element ball, solve periodic puzzles, and check out some of the most unusual periodic tables you’ve ever seen. As students play the Chemistry Name Game, they will learn why compounds form as ...

The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

Substances have both physical and chemical properties. Developing the periodic table The periodic table was developed by grouping elements with similar properties. This, together with a later ...