Conclusions
1. Compare the densities of the pre-1982 and post-1982 pennies. Using
the table to the right, state which metal is most likely used in the core
of post-1982 pennies. Explain your choice.
Metal
magnesium
aluminum
zinc
copper
silver
lead
Density
(g/cm³)
1.74
2.70
7.00
8.92
10.50
11.35