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For example lead, sodium, beryllium, uranium, antimony, etc.
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∙ 7y ago
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Why are the usual coinage metals chosen over more active metals for use in coins?
Metals are exposed to the atmosphere and corrosive environments such as the sweat on the palms of hands. As coins are designed to be around for a long time (unlike banknotes) the metals they are made from need to be a of very low reactivity so they do not corrode.
What are the properties that make metals suitable for coins?
Almost any metal is suitable for coins. But from a practical point of view, metals should be fairly hard, so that the imprint doesn't fade too quickly and it shouldn't be too light since most people like their coins to have a little 'weight', certainly if a coin represents a certain value.
What metal are coins made from?
Different coins are made of different metals and some coins are laminated layers of different metals. Some of the metals that have been used are:coppersilvergoldnickelbrassbronzezinc (used as core of modern US pennies)etc.
How would chemical reactivity affect the extraction and use of metals?
Dat Ho
How will the different properties of metals affect the way that sculptors use them?
After knowing the different properties of metals sculptors can be careful about which metal to use in which environment. If they didn't know the preporties the the metal would react with oxygen which would tarnish the metal or corrode it which would waste metal or make it look less beautiful.
What are raw materials use in coins?
They use metals.
In 1964 why did the us stop using silver to make coins?
The value of silver rose so the US had to use other metals to make coins. If our coins were still made of silver dimes would be worth $2 and quarters would be worth $5.
What material is unsuitable for use in a kitchen?
Wood is usuallly unsuitable for use in the kitchen as it easily carries bacteria and diseases
How can you use unsuitable in a sentence?
The short skirt she wore was totally unsuitable for the formal event.
What are the metals used in making coins in the ancient time?
In ancient times, coins were made from brass, copper, silver, and gold. The use of nickel was not introduced until modern times.
What is coining is use for?
Different metals are used in different coins depending on the country and type of coin. In the US, the main metals used are copper, zinc, nickel, and sometimes silver and manganese.
Why are the usual coinage metals chosen over more active metals for use in coins?
Metals are exposed to the atmosphere and corrosive environments such as the sweat on the palms of hands. As coins are designed to be around for a long time (unlike banknotes) the metals they are made from need to be a of very low reactivity so they do not corrode.
What are the properties that make metals suitable for coins?
Almost any metal is suitable for coins. But from a practical point of view, metals should be fairly hard, so that the imprint doesn't fade too quickly and it shouldn't be too light since most people like their coins to have a little 'weight', certainly if a coin represents a certain value.
Using only three types of coins make a dollar with the least amount of coins?
If you can use up to three types of coins, the answer would be to use a Dollar coin - require only one coin.If you must use exactly three types of coins, the answer would be to use 3 Quarters, 2 Dimes and a Nickel - requires six coins.
What metal are coins made from?
Different coins are made of different metals and some coins are laminated layers of different metals. Some of the metals that have been used are:coppersilvergoldnickelbrassbronzezinc (used as core of modern US pennies)etc.
WHAT IS A CHANGE IN THE WATER QUALITY THAT MAKE IT UNSUITABLE FOR CERTAIN USE?
Water pollution can change the quality of water and make it unsuitable for drinking.
If you had 52 coins and had to use all of the coins to make 5.98 what would i use?
14 quartes, 14 dimes , 28 pennies
