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GoldWikipedia

Gold is a chemical element with the symbol Au (from Latin: aurum) and the atomic number 79. In its purest form, it is a bright, slightly reddish yellow, dense, soft,

Gold compounds | Article about Gold compounds

gold, metallic chemical element; symbol Au Lat. aurum=shining dawn ; at. no. 79; at. wt. 196.96657; m.p. 1,064.43°C;; b.p. 2,808°C;; sp. gr. 19.32 at 20°C

NOVAOfficial Website | Hunting the Elements

HUNTING THE ELEMENTS. PBS Airdate: 4/4/2012. HOST David Pogue WRITTEN, PRODUCED AND DIRECTED BY Chris Schmidt PRODUCED BY Dan McCabe

Phosphorus, Chemical Elementreaction, water,

Discovery and naming Phosphorus and its compounds may have been known before Brand's discovery. Old manuscripts refer to materials that glow in the dark.

Minerals and Their UsesScienceViews.com

Minerals and Their Uses. Every segment of society uses minerals and mineral resources everyday. The roads we ride or drive on and the buildings we live learn and work

Phosphorus (P)Chemical properties, Health and

chemical properties, health and environmental effects of phosphorus White phosphorus White phosphorus enters the environment when industries use it to make other

GoldElements Database

Ever since gold has been known to man, 165,000 tons of it has been mined. The biggest portion of gold is used to make jewelry. A little less than this amount serves

Gold, Chemical Elementuses, elements,

Gold has been called the most beautiful of all chemical elements. Its beauty has made it desirable for use in jewelry, coins, and artwork for thousands of

CHEMTUTOR ELEMENTS

ABOUT THE ELEMENTS. There are only a few more than one hundred elements. Of those, only eighty-three are not naturally radioactive, and of those, only fifty or so are

LeadWikipedia

Lead (/ l d /) is a chemical element with atomic number 82 and symbol Pb (from Latin: plumbum). It is a soft, malleable, and heavy metal. Freshly cut solid lead

Relative Mining Equipments