The periodic table is a tabular representation of the chemical elements and their characteristics. When elements are arranged in order of increasing atomic number, their chemical and physical properties show a periodic pattern. Students can discover these patterns by examining the changes in properties of elements on the periodic table.
LabQuest includes the Periodic Table application and graphs of the periodic trends, such as atomic radius vs. atomic number. The graphs of the periodic trends are also available in the Graphical Analysis app so you can integrate these graphs into discussions with students about the recurring trends. Start with examining the shape of the first graph, atomic radius vs. atomic number, and have students explore the relationship among atomic radius, ionization energy, and electronegativity.
To view the graph of periodic trends, follow these steps.