Professor Dave Explains
Practice Problem: Atomic Radii and Ionic Radii
We've learned all about the periodic trends, including atomic radius, so let's put our knowledge to the test! Here we will have to put some atoms in order of increasing atomic radius, and then do the same thing for some ions and their...
Curated OER
Other Periodic Table Trends
Ionization energy is the focus of this science video. Specifically, it covers 2nd Ionization Energy of the elements. Electronegativity is a key concept when trying to understand 2nd Ionization energy. Sal also discusses the metallic...
Khan Academy
Mini-Video on Ion Size, Periodic Table, Chemistry
Sal discusses what happens to elements when they become ionized. He demonstrates that when neutral atoms become ionized, they can significantly change their relative atomic sizes. He uses the Periodic Table of the Elements to illustrate...