Website
Georgia State University

Georgia State University: Hyper Physics: Ionization Energies

For Students 9th - 10th
A concise description of ionization energy, and a line graph that plots the ionization energies of the first 88 elements vs. the atomic numbers.
Graphic
Curated OER

Georgia State University Hyperphysics: Ionization Energies

For Students 9th - 10th
A concise description of ionization energy, and a line graph that plots the ionization energies of the first 88 elements vs. the atomic numbers.
Graphic
Davidson College

Davidson College: Plot of First Ionization Energy and Atomic Number

For Students 9th - 10th
Here you will find a group of images and graphs which plot covalent radii, first ionization energy, and electron affinity vs. atomic number.
Handout
Simon Fraser University

Chem1 Virtual Textbook: Periodic Trends in Ion Formation

For Students 9th - 10th
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses electron affinity and ionization energy in relation to ion formation. Charts and graphs are included as well.