which metals are found in a pure statein earth crust?

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which metals are found in a pure statein earth crust?

how are they exstracted ?

2006-11-14 07:53:39 · 4 answers · asked by tom b 1 in Science & Mathematics ➔ Earth Sciences & Geology

4 answers

There are many, including copper, gold, silver, and others. These are called "native" when it is an elemental metal by itself.

Metals like Pb, Zn, Pt, U, and Hg are almost never found natively.

2006-11-14 08:27:35 · answer #1 · answered by QFL 24-7 6 · 1⤊ 1⤋

Copper

2006-11-14 15:57:29 · answer #2 · answered by JOHNNIE B 7 · 0⤊ 1⤋

Gold, silver and platinum and because they are pure they're just mined from the ground.

2006-11-14 15:56:16 · answer #3 · answered by Invictus 2 · 0⤊ 1⤋

Found this essay on web search, it may help.

http://www.coursework.info/A2_and_A-Level/Physics/Extraction_and_Reduction_of_Metals_L65256.html

2006-11-14 15:58:20 · answer #4 · answered by Anonymous · 0⤊ 1⤋