This is very similar to how you may think someone is paying attention when really everything they are saying is going right through them.
Answer:
are you talking about elements in periodic table...?
Please provide a soliloquy.
To answer this question i would need to have more information on what you are dealing with. If you can link this with more information that would be great.
The 1920's was a time of sensational economic growth and progress. Mass produced goods such as clothing, radios and cars were in abundance. The stock market boomed and most Americans benefited. But there was also economic inequality, thus the prosperity of the 1920's was unsustainable.