Activity
NASA

Nasa: The Space Place: Ions in Action

For Students 6th - 8th
The page from NASA's The Space Place describes a simple activity, charging a balloon and making it move small pieces of paper. It then goes on to give an excellent explanation of how the activity works, and how it involves ions. This...
Activity
Educaplus (Jesús Peñas Cano)

Educaplus: Particulas De Los Atomos E Iones [In Spanish]

For Students 9th - 10th
Use this interactive activity to learn how to interpret the symbols of different elements. You can check your work at the end.
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.