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Why does a copper penny turn silver when it is put into a solution like in the golden penny lab?
Wiki User
∙ 13y ago
The penny turns silvery because the zinc (Zn) coats the outside of the copper penny. You then chemically combine the two metals when they share their electron cloud. That is why you burn the penny after you remove it from the Zn and NaOH mixture.
Wiki User
∙ 13y ago
Wiki User
∙ 12y agoThe zinc dissolves in sodium hydroxide but copper does not.
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Why did the penny turn a silver color?
The penny turned silver color due to a process called oxidization. Over time, the copper in the penny reacts with oxygen in the air to form copper oxide, which appears silver in color.
Why did the penny turn silver after a few minutes in the hot solution?
It's not silver. It's a 1943 steel penny.
How did your 2003 penny get to look like silver?
Cents dated from 1982-present are made out of copper plated zinc. If you strip off the plating either by chemical means or simply scraping it off, the penny will look like silver. Of course, you can also plate the penny with silver. These do not raise the coin's value and its only worth a penny.
What makes a penny turn silver?
Alchemy is the only way to turn a penny into silver. But post-1982 cents are zinc coated with a thin layer of copper and it is possible to remove it chemically which gives a silvery appearance. However, such a penny is NOT silver, is NOT worth any more than 1 cent.
What happens to the copper atoms of the penny in gold penny lab?
basically, the zinc electrons in the NaOH solution coat the copper penny and then when you wave it over a Bunsen burner, the two metals form an alloy (a homogeneous mixture with two or more elements) and make brass, not gold.
Why did the penny turn a silver color?
The penny turned silver color due to a process called oxidization. Over time, the copper in the penny reacts with oxygen in the air to form copper oxide, which appears silver in color.
How much is 1963 golden penny worth?
The US Mint never issued a 1963 golden penny. Sometime the copper cent can tarnish to a golden hue if it is in the right environment.
Why did the penny turn silver after a few minutes in the hot solution?
It's not silver. It's a 1943 steel penny.
What is the value of 1994 silver penny with copper plated?
U.S. pennies have never been made out of silver. On a 1994-D penny, the silver-colored metal below the copper coating is zinc, NOT silver. It's worth one cent.
What is the value of a 1939 silver us penny?
They never made pennies out of silver. but in 1943 they made a steel penny because during World War 2 copper was scarce. There were a few error copper or silver error coins accidentally made.
1828 penny made of silver?
It is unlikely that a penny made of silver was produced in 1828. In that era, pennies were typically made of copper, with no silver content. The first U.S. silver coins were not introduced until the late 18th century, and they were not issued in penny denominations.
Is a penny completely copper?
No. In Canada, they are 99.9% copper and 0.1% silver. I am not sure what it is in the USA so go to the mint.
Silver 1943 penny?
1943 pennies are not silver. They are zinc coated steel. Copper was saved for war effort.
I have a 1939 us cent that appears to be dipped in zinc or silver. It looks like a silver coin but you can see copper on the edge. Is it an error coin.?
It is a normal wheat penny made of copper. The only year wheat pennies were not copper is 1943 which is a zinc-plated steel penny.
How much is a 2001 silver penny worth?
There is no US silver penny dated 2001. Instead, what has happened is someone has stripped off the copper layer of the coin and left the zinc layer which looks silver-ish.
What is the value for the rarest penny?
1794/5 Flowing hair silver/copper dollar. $10,000,000
Is a silver penny worth money?
A "silver penny" is a steel penny. They were minted in 1943, during World War II, because of the copper shortage. To a collector, it may be worth something, yes, but certainly no amount you could retire on.
