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Which o the following minerals can you scratch with a knife blade but not wit a copper coin?
Minerals that can be scratched with a knife blade but not with a copper coin typically have a hardness between 3.5 and 5 on the Mohs scale. For instance, minerals like calcite (hardness 3) can be scratched by a copper coin but not by a knife blade, while minerals like fluorite (hardness 4) can be scratched by a knife but not by a copper coin. Therefore, minerals like fluorite would fit your criteria.
How many different alloys were used to mint the 1967 Lincoln penny?
In 1967, the mint produced Lincoln pennies made of bronze, which is a copper alloy consisting of 95% copper and 5% zinc, as well as a small number of error coins in which the planchet was accidentally struck on a dime stock, resulting in a coin composed of 88% copper and 12% nickel.
What are 5ps made out of?
Since their introduction in 1969, British 5 Pence coins have been made from an alloy of 75% copper and 25% nickel. There is no silver in any circulating British coin
How often do Reusable containers for refrigerants that are under high pressure at normal ambient temperature must be tested and date stamped?
Reusable containers for refrigerants under high pressure should be tested and date stamped at least every 5 years as per regulations such as DOT or ASME standards. This ensures the safety and integrity of the container for continued use with high-pressure refrigerants.
What on the periodic table means 5cent from americia?
The element Nickel (Ni) on the periodic table represents 5 cents from America, as the coin "nickel" is made from a combination of copper and nickel metal.
1991 5 cent coin stamped on a copper?
A 1991 5 cent coin stamped on copper may be the result of an error made during the minting process. This kind of error can sometimes occur when the wrong metal is used or if there is a mix-up in the minting process. Such errors can make the coin rare and valuable to collectors.
What is the nickel 5 cents coin made of?
The nickel 5 cents coin is made of a combination of copper and nickel, with 75% copper and 25% nickel. It gives the coin its characteristic silver color.
What is the metal content of a 5 cent coin?
A US 5-cent coin is 75% copper and 25% nickel.
What percentage of copper is in a coin minted in 1962?
The percentage of any metal in a coin would depend entirely on the coin and the country it came from. An Australian 1962 "copper" coin (bronze) contains 97% copper. An Australian 1962 "silver" coin (cupro-nickel) contains 40% copper. A British 1962 "copper" coin (bronze) contains 97% copper. A British 1962 "silver" coin (cupro-nickel) contains 75% copper. An American 1962 "copper" (bronze) 1¢ coin contains 95% copper An American 1962 "nickel" 5¢ coin is actually 75% copper An American 1962 silver coin is 10% copper, with the rest silver.
What is a 1960 hong kong coin made out of?
5 cent coin: Brass-clad nickel 10 cent coin: Brass-clad nickel 50 cent coin: nickel-clad copper dollar coin: nickel-clad copper.
What is the name of the American 5 cent coin?
The slang name for U.S. 5¢ coins is "a nickel", even though the coin is mostly copper.
What metal is the 5 rand coin made from?
The 5 rand coin in South Africa is typically made from a combination of metals, including copper and nickel. It has a nickel-plated copper center and a bronze outer ring.
Is a 1869 5 cents coin copper or silver?
In 1869, the 5 cent coin you are looking at is likely a shield nickel. In which case the coin is a copper-nickel composition (75% copper and 25% nickel). In the same year there was also a half dime, and that was made out of 90% silver and 10% copper. The Shield nickel is the same size and shape as today's nickels, just a different design
What metal is the 1876 10 pfennig coin made of?
The 1876 10 pfennig coin from Germany is typically made of copper. It has a composition of 95% copper and 5% tin.
What is a 1971 5 francs coin made of?
copper-nickel and its worth 2.00$
How much does a nickel with the letters FS stamped under the head is worth?
The FS are the initials of Felix Schlag, who designed the coin. Those letters are on every Jefferson nickel from 1966 to 2004. Every single coin in that time frame is worth 5 cents.
What is the value of a nickel with copper penny infused?
A nickel with copper infused is still worth 5 cents, as the metal composition of the coin is what determines its value. The added copper may change the appearance of the coin but not its monetary worth.
