Chemistry - Periodic Table - Periodic trends - ionization energy - Ionization Energy Explorer

An interactive bar chart showing ionization energies for the first 20 elements. The x-axis shows elements (H through Ca), the y-axis shows first ionization energy (kJ/mol). The child can: 1) Hover over any bar to see the element's name, IE value, and electron configuration. 2) Click 'Highlight Perio