At which location are metamorphic rocks most likely to
form?

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)

Which of the following compounds does not contain molecules? question 2 options: co2 h2 nacl h2o

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen