If an anode is composed of a Pb(NO3)2 solution and a lead electrode, what reaction takes place there? A) Pb + 2e-  Pb2+
B) Pb2+  Pb + 2e-
C) Pb(NO3)2  PbNO3 + NO3-
D) None of the above

periodic trends is an atom that gets larger as the number of electronic shells increase, the radius of atoms increases as you go down a certain group in the periodic table of elements. in general, the size of an atom will decrease as you move from left to right of a certain period.

i don't see a text, but i am gonna assume this *orbit* the curved path, usually elliptical, described by a planet, satellite, spaceship, etc., around a celestial body, as the sun.

elements make up everything, and they combine to make compounds.

the answer is c