If the atom is assumed to be a sphere, what is the volume in cm3 of a single copper (cu) atom?

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

Particles vibrate in a rigid structure and do not move relative to their neighbors.