List the four quantum numbers from last electron of each of the following elements in their ground state: sodium, nitrogen, oxygen, chlorine, sulfur

african americans demonstrated their newly found freedom by relocating often in search of relatives whom they had been separated from during slavery. others established schools to educate freed people and they built institutions such as churches and political organizations to advocate for their rights.

c. heat could easily travel through the molecules in the air and escape/enter the flask. removing the air slows down the heat transfer.