Other
Oak Ridge National Labs: Erbium
A summary of the abundances of the isotopes of erbium. A great resource for chemistry students!
Department of Defense
Do Dea: Chemistry Review
Review atoms with this slideshow. You can choose to listen to the review or read the accompanying text. At the end, play the game to review the basics of atoms that you have just learned about. You may play the game as many times as...
Florida-Spectrum Environmental Services
Florida Spectrum: Chemical Fact Sheet: Actinium
Some basic information stressing isotopes and half lives.
Florida-Spectrum Environmental Services
Florida Spectrum: Chemical Fact Sheet: Chemical Fact Sheet, Europium
Nice summary of some technical data on europium. Including is information on isotopes, properties and uses.
Other
Chemical elements.com: Samarium
A site containing a good deal of elemental information. Information on each element includes atomic number, atomic mass, melting point, boiling point, density, isotopes and more.
Other
Chemical elements.com: Silver
A site containing a good deal of elemental information. Information on each element includes atomic number, atomic mass, melting point, boiling point, density, isotopes and more.
Other
Chemical elements.com: Sodium
A site containing a good deal of elemental information. Information on each element includes atomic number, atomic mass, melting point, boiling point, density, isotopes and more.
Other
Chemical Elements: Potassium
A nice, clear site, containing a good deal of elemental information, including atomic weight, density, boiling point, isotopes and more. An image shows the electron energy levels for the element.
Other
Chemical Elements: Plutonium
A nice, clear site, containing a good deal of elemental information, including; atomic weight, density, boiling point, isotopes and more. An image shows the electron energy levels for the element.
Florida-Spectrum Environmental Services
Florida Spectrum: Chemical Fact Sheet: Nobelium
Information on the discovery and properties of nobelium, including facts about its isotopes.
Sophia Learning
Sophia: Characteristics of Elements: Lesson 3
This lesson will present the basic properties and characteristics of elements. It is 3 of 4 in the series titled "Characteristics of Elements."
Sophia Learning
Sophia: Characteristics of Elements: Lesson 2
This lesson will present the basic properties and characteristics of elements. It is 2 of 4 in the series titled "Characteristics of Elements."