zinc is 97.5% of the penny and copper is 2.5% of the penny
Penny is not a proper noun.
many people dont think penny can have a suffix one may be penniless.
The plural form for penny is pennies or pence.
A penny earned is a penny saved means the money you save (and you don't spend) then it is earned. Because you don't waste it so it's practically saved.
That is Jimmy's penny.
Copper of course!
i herd some pennies contain zinc
Nothing. There is no chemical reaction that occurs only between the elements carbon and copper.
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.
A Penny is not a compound. It's just one word.
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.
A tarnished penny is a penny that has been discolored or dulled due to oxidation of the metal surface, usually resulting in a dark or dirty appearance. Tarnishing can occur over time when the penny is exposed to air and moisture.
Most copper pennies (cents) turn brown after they have been handled and exposed to the elements for a few months. A 'red' penny is one that has been protected since it was new and retains its original copper color.
The singular possessive of penny is penny's, as in "penny's worth".
No, "A penny saved is a penny earned".
With the exception of cents struck in 1943 and 1944, modern cents were composed of copper zinc and tin. In 1982 it was changed to zinc with a plating of copper.
Penny's last name in the book "Penny From Heaven" is Falucci.