Trends on the Periodic Table: Students learn to describe the pattern in atomic number, atomic mass, atomic radius, ionization energy, and electron affinity as they look across a period and down a ...

The media resources below allow educators to explore the periodic table in detail with their students—from its basic structure and properties to the sometimes volatile behavior of specific elements.

Want to learn more about this centerpiece of chemistry? Take your pick from this collection of links about elements and the periodic table! Build an element ball, solve periodic puzzles, and check out ...