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copper and zinc
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What is copper II sulfate used for?
To make metals rust.
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.
Is a penny a solid?
A penny is an alloy because it is a mixture of different metals A penny is not an alloy because it's not really a "mixture" of zinc and copper. Post-1983 pennies are 97.5% zinc core with the remaining 2.5% of copper layer on top. Search for "Make a brass penny" to see how one makes a penny an alloy by heating it up enough to melt and mix the metals, making the penny appear gold.
What is a member of the alkaline metals used to make fireworks and medicine?
Magnesium
Why are metals added to gold?
Gold is very soft metal and by adding other metals it can be used to make jewelry and other things.
What is the value of a 1909 lead penny?
There's no such thing as a "lead penny". The only metals used to make U.S. cents have been copper, bronze, steel (1943 only) and zinc (1982-present).
What are the coinage elements?
The coinage elements are the metals that are used to make coins. They are the three metals from Group 11 of the periodic table - copper, silver and gold.
Why can transition metals be used to make electrical wires?
Their high conductivity is why transition metals are used to make electrical wires.
What metals are used to make fans?
Steel and aluminum are used to make funs.
What metals are used to make airplanes?
Aluminium.
Which two metals are most commonly used to make a knifes blade?
The two most common metals used to make knives are steel and iron.
What was used to make a penny in the past?
Copper and tin
What metals are used to make metal screws?
Metals are used for the production of screws as they are materials with high hardness and resistance to stress.
What is the metal content of a 1921 British penny?
British predecimal Pennies from 1860 to 1967 were made from bronze. Although the exact percentages of metals used to make up the bronze alloy varied over the years, the 1921 Penny was made from 95% copper, 4% tin and 1% zinc.
What metal is the 1922 British Penny made from?
British predecimal Pennies from 1860 to 1967 were made from bronze. Although the exact percentages of metals used to make up the bronze alloy varied over the years, the 1922 Penny was made from 95% copper, 4% tin and 1% zinc.
Which type of metals are used to make paints?
Lead
What metals are used to make engine cylinder?
alloys
