Environmental Chemistry
Environmental chemistry.com: Periodic Table Selenium
Excellent resource for just about anything you could ever want to know about selenium.
Florida-Spectrum Environmental Services
Florida Spectrum: Chemical Fact Sheet: Selenium
Nice detailed synopsis of selenium, its properties and uses.
National Institutes of Health
National Institutes of Health: Dietary Supplement Fact Sheet: Selenium
Information on the dietary and nutritional significance of selenium from an authoritative source.
Web Elements
Web Elements Periodic Table: Selenium
Excellent source of information on selenium, its properties, isolation and electron configuration. The site includes pictures of selenium.
Chemicool
Chemicool: Selenium
A set of tables summarizing the physical and chemical properties of the element selenium.
PBS
Pbs Nova Teachers: Dying to Be Thin: Body Needs
Find out what the human body needs to function at its best, and why.
Amethyst Galleries
The Mineral Native Selenium
Nice information on selenium form a mineralogical point of view as well as a listing of selenium containing minerals.
Other
Austin Nutritional Research: Reference Guide for Minerals
This site provides a reference guide to various minerals found in your daily diet. The site offers an overview of each mineral, explains the importance of each, and identifies the deficiency symptoms. Links to related information are...
Other
Moms Team: Minerals Important for Child's Diet
At this website find the answers to the following questions: "What Are Minerals?", "What Types of Minerals Are There?", "What Do Minerals Do?", and "How Can I Ensure My Child Gets Enough Minerals?" Information is provided in simple note...
Science Struck
Science Struck: Properties and Characteristics of Chalcogens
Describes the chemical and physical properties of the chalcogen group of elements, also known as the oxygen group.
Royal Society of Chemistry
Royal Society of Chemistry: Visual Elements: Selenium
Short entry describing selenium and a couple of its uses.
Other
Moms Team: u.s. Dietary Reference Intakes (Dr Is) for Minerals
Here is a chart with useful information on the minerals you need to be healthy. Includes "functions" and "sources" of calcium, iron, magnesium, sodium, potassium, zinc, copper, selenium, chromium, manganese, iodine, fluoride, and phosporus.
Precision Nutrition
Encyclopedia of Food: Selenium
Eat more mushrooms! Find out the benefits of consuming selenium and natural sources.
Science Struck
Science Struck: What Are the Uses of Chalcogens?
The uses of each of the five chalcogens, i.e., the oxygen family of elements, are described.
University of Kentucky
Chem Comics: Seleneium
Comics featuring selenium. Good graphics for a presentation.
Wikimedia
Wikipedia: Chalcogen
An informative article from the Wikipedia encyclopedia about Group 16 from the Periodic Table (also known as the Chalcogens). It gives information about their compounds and on the oxidation numbers of the elements.