How Many Protons, Neutrons, and Electrons Are in Common Elements?
ES0501  Zoom in on a Penny

Pennies were once made of just one element — copper. Today, zinc is also a major component of pennies. If we could look very closely at a copper penny, we would see that every atom is the same.

  !   Click the zoom-in button to see increasingly closer views of copper.


 Step:   1   2   3   4   5   6