How many electron's will an atom of carbon have if its nucleus has 6 protons and 8 neutrons?

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)

What effect does nuclear radiation have on atoms?

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table