The elements of the periodic table can be categorized in a variety of ways. For display purposes, an 18 column table is generally used, with seven rows across, and this corresponds with the number of ...

Scientists, chemists and students interested in the compounds and especially metals within the periodic table which provides a tabular arrangement of the chemical elements, ordered by their atomic ...

This video explains the periodic table, containing all the known elements arranged in groups and periods. Elements in the same group of the periodic table show trends in physical properties, such as ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Editor's note: The following is a text-only version. The complete version with artwork is available for purchase here (PDF). The periodic table of the elements is one of the most powerful icons in ...