A student said, “When you touch a charged piece of metal, the metal is no longer charged: all the charge on the metal is neutralized.” As a practical matter, this is nearly correct, but it isn't...

A student said, “When you touch a charged piece of metal, the metal is no longer charged: all the charge on the metal is

neutralized.” As a practical matter, this is nearly correct, but it isn't exactly right. What's wrong with saying that all the

charge on the metal is neutralized?