At the atomic level, what is meant by saying something is
electrically charged?

When something is electrically charged, at the atomic level it either has more total electrons than protons (in which case it is negatively charged), or it has fewer total electrons than protons (in which case it is positively charged).

with the invention of the automobile, the woman of the house could drive to the store and get groceries. women were also free to socialize more. during world war ii women were allowed to work in factories to the war effort and could drive to work or ride mass transit buses to their jobs.

frequency or wavelenth of em radiation in a vacuum