9. When two compounds are made up of the same number and kind of atoms, but differ in
their molecular structure they are known as:
A) isotopes
B) homologs
C) isomers
D) hydrocarbon

Diamond, graphite, and fullerenes share what property? a. they are all made of carbon (c) bonded to a metal. b. their shape. c. they are all made of carbon (c). d. they are all good conductors.

Fission of uranium-235 products energy and a. isotopes of smaller elements b. isotopes of larger elements c. lighter isotopes of uranium d. heavier isotopes of uranium

Particles vibrate in a rigid structure and do not move relative to their neighbors.