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Copper Bar

PRODUCT TYPE: Elements

One - 1 ounce, 99.9% pure copper bar

Copper is what we call any atom containing exactly 29 protons. It is one of the most useful chemical elements to humanity.

Copper was one of the first metals discovered and used by humans, starting at least 10,000 years ago during the Neolithic. During the next few thousand years, human knowledge of metallurgy was developing as there is evidence of copper mining and smelting during this time. We call the transition period from Stone Age to Bronze Age the Chalcolithic, or the Copper Age.

Despite its long history, almost all of the copper ever extracted from Earth has occurred since the invention of the electric motor. The average car contains about 1 mile of copper wire.

Copper has 29 isotopes—these are atoms containing varying numbers of neutrons. Only 2 of these are stable and found in nature, while the remaining are radioactive and have a short half- life, most under 1 minute.

$6.00

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Copper Bar

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CUSTOMER REVIEWS
CUSTOMER REVIEWS

Customer Reviews

Based on 12 reviews
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C
C.E.

Camilo rated this item 5 stars

M
M. (Virginia, United States)

the quality is A +

m
m.n. (Provincia de Panama, Panama)

Copper Bar

B
B. (Virginia, United States)

Beth rated this 5 stars on Etsy

J
J.P. (Virginia, United States)

Jordan rated this 5 stars on Etsy

W
W.S.

Copper Bar

M
M.D. (Virginia, United States)

Just as shown in the photos, nice little sample of copper. Shipped quickly and packaged well.

A
A.S.

Alyssa rated this 5 stars on Etsy

L
L.K. (Ohio, United States)
Really great buy

My son really loves the Copper Bar! He thinks it's a really neat addition to his collection of elements.

A
A.

I don't know why I find this so cool, but I do. :)

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Copper Bar

Copper Bar

$6.00