Express in scientific notation. make sure your answer has the same number of significant figures as the starting value. 61,103 =

Asample of silver (with work function ? = 4.52 ev) is exposed to an ultraviolet light source (? = 200 nm), which results in the ejection of photoelectrons. what changes will be observed if: silver is replaced with copper (? = 5.10 ev) more photoelectrons ejected no photoelectrons are emitted fewer photoelectrons ejected more energetic photoelectrons (on average) less energetic photoelectrons (on average)

The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call

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