copper and steel
Silver is element number 47 -- Ag. A pure silver coin contains the element silver, but the coin itself is not an element.
Compound
The USA refers to their 5 cent coin as a Nickel. Nickel (Ni) is an element with the atomic number 28.
yes a coin is an element because its made out of copper gold and etc and those are some elemnts on the Periodic Table
Neon
nickel
Thomas Jefferson is represented on the United States nickel coin.
The element nickel shares its name with the American or Canadian 5 cent piece. This is because the coin was made out of that metal or its alloy. The element was named in 1751, by Baron Axel Fredrik Cronstedt who first isolated it. In the United States, the term "nickel" was first applied to coins in 1859.
according to my research bec. it is also my home work it is the element nickel.
I do'nt know
nickel
the element was copper and the new black compound formed was copper oxide.