Other
Chemical elements.com/scandium
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.
PBS
Pbs Teachers: Why the Towers Fell: The Structure of Metal
Examine what it is that gives metal its special characteristics and how metal behaves under the stress of heat and outside forces. An engaging interactive feature is offered to here to illustrate this concept.
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: 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.