Encyclopedia of Earth
Encyclopedia of Earth: Silver
Information about the element, Silver, atomic number 47. Covers physical properties, atomic properties, how abundant it is on the Earth, and details about health-related regulations and effects from exposure to it. Also discusses...
Encyclopedia of Earth
Encyclopedia of Earth: Gold
Information about the element, Gold, atomic number 79. Covers its unique physical properties, its atomic properties, how abundant it is on the Earth, sources, uses, and potential substitutes.
Other
Montana Junior College: Mining History and Geology of the California Gold Rush
The physical characteristics, history, and mining of gold in California are examined in this thorough site.
Web Elements
Web Elements Periodic Table: Osmium
This WebElements site offers lots of fundamental information on osmium, Bohr diagrams and details on its purification.
Chemicool
Chemicool: Platinum
A set of tables summarizing a great many chemical and physical properties of platinum.
TED Talks
Ted: Ted Ed: Where Does Gold Come From?
Did you know that gold is extraterrestrial? Instead of arising from our planet's rocky crust, it was actually cooked up in space and is present on Earth because of cataclysmic stellar explosions called supernovae. CERN Scientist David...
US Geological Survey
U.s. Geological Survey: Prospecting for Gold in the United States
This informative site delves into the difficulty of prospecting for gold. A detailed description of placer deposits and lode gold is included in this site.
Chemicool
Chemicool: Osmium
This site, which is provided for by Chemicool, gives a set of data tables that cover a great many physical and chemical properties of osmium.
Web Elements
Web Elements Periodic Table: Platinum
Very nice site with a great deal of information on platinum and its properties.
Read Works
Read Works: The Allure of Gold
[Free Registration/Login Required] An informational text about gold, where it may have come from, and how it has been valued by many cultures around the world. A question sheet is available to help students build skills in reading...