Explain via example and analogy...
1) atomic number
2) mass number
3) atomic mass
4) relative masses
5) the utility of using element masses
This packet attempts to explain A LOT of the basic numbers (see objective list) used in chemistry. It is in video format so that the learner can fast-forward and rewind to review segments.
A comprehensive (and lengthy) video to explain numerous basic numbers in chemistry. User should be able to fast-forward and rewind to pertinent sections.