Information about the metallic element, Rhenium, atomic number 75. Covers its physical and atomic properties, how abundant it is on the Earth, sources, uses, and potential substitutes.

Information about the metallic element, Gallium, atomic number 31. Covers its discovery, its physical and atomic properties, sources, uses, how abundant it is on the Earth, and permissible exposure limits.

Information about the metallic element, Molybdenum, atomic number 42. It is unique in having an extremely high melting point. Covers its discovery, its biological importance, its physical and atomic properties, how abundant it is on the...

Information about the metallic element, Lithium, atomic number 3. Covers its discovery, its physical and atomic properties, how abundant it is on the Earth, sources, uses, potential substitutes, and permissible exposure limits.

Information about the heavy metal, Lead, atomic number 82. Gives some interesting historical details about lead's use in the past. Covers physical properties, atomic properties, how abundant it is on the Earth, and details about...

Kid's learn about the science of chemical elements. Basic forms of matter made from a single type of atom.

This site, which is provided for by the Chemical Society, gives a small amount of basic information on argon, including its history and uses.

Students observe and perform experiments with sodium, potassium, calcium, magnesium, sulfur ,and phosphorus. The discover trends down groups, across periods, and having to do with the pH of metal oxides vs. nonmetal oxides.

An excellent summary of the basic data about cobalt, along its properties and how it is isolated chemically.

A summary of the abundances of the isotopes of erbium. A great resource for chemistry students!

An extremely thorough summary of the properties and uses of magnesium. Very easy to follow.

Nice summary of the basic facts known about berkelium. Easy to follow.

A summary of the basic data on mendelevium, its isotopes and basic properties.

Excellent summary of the basics on rhenium.

A summary of the basic properties and uses of iridium, as well as a few random facts about it.

Choose the element that matches the electron configuration.

This resource provides information on the periodic table constructed by Dmitri Mendeleev.

Discusses how to find scientific and technical reference materials online, e.g., the periodic table and formulas, and some advantages of online resources over print.

A short page dedicated to the Shielding Constants of the elements in the Carbon Family.

A self-assessment quiz accompanying Chapter 23 of the text, Chemistry: The Molecular Nature of Matter and Change, Fifth Edition. The title of the chapter is "The Transition Elements and Their Coordination Compounds."

Atoms are very, very small. Atoms are so small that it is often said that there are as many atoms in a single grain of sand as there are grains of sand on all of the world's beaches - certainly a difficult thing to prove, but you get the...

The second family in the periodic table is the alkaline earth metals found in the second column from the left. Meet the family and get to familiar with why this is the second most reactive group of elements.

This illustrated and thorough resource presents geological information on antimony and minerals containing antimony.

This lesson focuses on the physical properties of halogens, Group 7 elements on the Periodic Table. It includes the physical properties of the elements, provides a graph showing the melting and boiling points of the halogens, and links...