Areagent is a(n): user: a reagent is a(n): select one:
a. substance found in a petri dish.
b. hormone present in the blood.
c. transport media.
d. substance that participates in a chemical reaction.

Which statement about relative potential energy of electrons is correct? a. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 2 s orbital of the second electron shell. b. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 3 p orbital of the third electron shell. c. an electron in the 3 p orbital of the third electron shell has more potential energy than an electron in the 2 p orbital of the second electron shell.