Curated OER
Periodic Table Puns Answer Key
In this chemistry worksheet, students identify various puns to assist them in memorizing the numerous elements of the Periodic Table and their symbols. There are 44 to memorize on the sheet.
Environmental Chemistry
Environmental chemistry.com: Periodic Table Actinium
A great site for just about anything you could ever need or want to know about actinium.
Web Elements
Web Elements Periodic Table: Actinium
WebElements offers a nice set of basic data and information on the physical and chemical properties of actinium.
Florida-Spectrum Environmental Services
Florida Spectrum: Chemical Fact Sheet: Actinium
Some basic information stressing isotopes and half lives.
Royal Society of Chemistry
Chemical Society: Actinium
A short summary of some basic historical information on actinium.
Thomas Jefferson National Accelerator Facility
Jefferson Lab: It's Elemental the Element Actinium
Facts and historical information on the element of Actinium.
Chemicool
Chemicool: Actinium
A set of data tables with most of the key chemical and physical properties of actinium.
Corrosion Source
Corrosion Source: Actinium
This resource provides a summary of basic data and information on the properties of actinium.
Curated OER
[Bohr Model of Actinium]
A nice set of data tables on actinium and its properties, along with isotopic data. Clearly presented.