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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.

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14y ago

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Why did the penny turn silver after a few minutes in the hot solution?

The hot solution likely removed the copper oxide layer on the penny, revealing the silver-colored zinc underneath. Heating caused a chemical reaction that removed the tarnished layer on the penny, giving it a shiny appearance.


Why did the penny turn a silver color?

In 1943 the US Mint briefly replaced the copper penny then in use with a steel penny, due to the wartime copper shortage.


Why does a penny turn silver?

A penny can turn silver due to a chemical reaction with substances like vinegar or lemon juice, which react with the copper in the penny to form copper oxide. Copper oxide has a silver color, leading to the appearance of the penny turning silver.


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.


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.


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.


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.


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.


What metal gave the penny its silver color?

Lincoln cents were struck on zinc coated steel planchets in 1943 only, the color often appears to be silver.


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.