Science Education Resource Center at Carleton College
Serc: Trends on the Periodic Table: Metals, Non Metals, and Metalloids
In this lab activity, students will be asked to observe and then test the physical and chemical properties of several different elements.
Science Education Resource Center at Carleton College
Serc: Elements Metals, Nonmetals and Metalloids
Students investigate several properties of the given elements and decide whether each element is a metal, non-metal, or a metalloid.
Texas Education Agency
Texas Gateway: Three Main Types of Elements
The following tutorial explains the three main types of elements, including metals, non-metals and metalloids.