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In the U.S. the nickel component of coins is actually an alloy of 75% copper and 25% nickel so "nickels" are actually mostly copper!
Dimes, quarters, and halves have a pure copper core with the same 75/25 alloy on the outside layers to give them a silvery appearance. Taken together that means the whole coin is around 85+ % copper.
Other countries use different proportions of nickel and copper. For example, Canadian Coins from the 1970s to the 1990s were pure nickel, while British 20p coins are about 80% copper.
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What is difference between nickel silver and sterling silver?
Nickel silver is an alloy of copper, nickel and zinc, and it was used to make 'silver' coins that were previously made in silver or 50% silver. British coins were silver up to 1921 and 50% silver until 1946, and then they were made of nickel silver. Sterling silver is 92.5% pure silver.
Is nickel choride a compound or element?
compound because it is made up of two elements, nickel andchloride
What are the 4 main elements in stainless steel?
The elements that make up stainless steel are nickel, iron,chromium and manganese.
Do minerals make up elements?
No, elements make up minerals.
What elements make up honey?
The elements that make up honey are honey
What elements make up dime coins?
Since 1965, they've been 91.67% copper and 8.33% nickel.
What 5 coins make up a dollar?
50cent, 2dimes, nickel, quarter
Which two elements make up center earth?
iron and nickel
What 5 coins make up 1.00?
3 quarters 1 dime and a nickel.
What are the 2 coins that make up 55 cents you can not use a nickel?
That's a trick question that usually goes, "one of them isn't a nickel." The answer is a half dollar and a nickel. One of them isn't a nickel, the other one is.
Is an alloy silver copper nickel or brass?
The metals silver, copper and nickel are elements. It is brass that is an alloy, and copper and zinc are what make it up.
What 7 coins make up .68?
2 Quarters 1 Dime 1 Nickel 3 Pennies
What two elements are used to make car batteries?
Although many elements make up car batteries, the nickel and iron battery has dominated for decades.
If you have to add 2 coins to make 30 cents you can't use any nickels?
you phrased the question wrong "what two coins add up to 30 cents, one can't be a nickel" the answer would be a nickel and a quarter because one isn't a nickel, it's a quarter while the other is a nickel
What two elements make up earths core?
The core of the earth contains many elements, not just two.However the two most abundant elements in the earth's core are nickle and iron (the final two elements that a star can make by fusion before it dies).But there are many other elements in the core, especially ones with atomic masses greater than that of nickel and iron. Many of these heavy elements are radioactive (e.g. radium, thorium, uranium) and it is the heat generated by the decay of these heavy radioactive elements that keeps the core hot and the outer core liquid.
Which series of coins are presently in use?
Today in 2012 the series of coin that we presently use is the contemporary coins where coins are made up of copper+nickel (cupro-nickel alloy).
You have 2 coins in your pocket that add up to 6 cents One of the coins is not a nickel?
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