An atom that has a charge because it has gained or lost electrons is

a. an ion
b. an isotope
c. a new element

You have 125g of a certain seasoning and are told that it contains 76.0 g of salt what is the percentage of salt by mass in this seasoning

The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?

Ab c or d ? i’m not sure what the answer is