pennys are 97.5% zinc and 2.5% copper
Today's pennies (since 1983) are made almost entirely of zinc, with a thin outer coating of copper.
compound
penny
copper
A penny if that is what you are asking for.
A Penny is not a compound. It's just one word.
Its zinc
90$
i know a penny can rust, but im not sure what makes a peny rust! i, too, hope to find out!
In the universe, hydrogen. It makes up more than 90% of all matter. On Earth, oxygen, at about 50%.
100 penny makes a dollar. Every penny counts, my friend!
Element 90 is thorium.