In a face centered cubic structure, every atom has 12 neighbors. which arrangement of balls serves as the best model for this structure? a) 8 balls at the corners of a cube, 6 balls in the centers of the cubes faces. b) 8 balls at the corners of a cube. c) 8 balls at the corners of a cube, and one ball in the center of the cube. d) 12 balls arranged equally apart from eachother around a circle.

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?

If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?

How is electrolysis most commonly used to produce an energy source? a - splitting water molecules produces oxygen, which organisms breathe to fuel their bodies. b - splitting water molecules produces hydrogen gas, which is used to power machines through hydrogen fuel cells. c - splitting carbon dioxide molecules produces coal, a form of carbon that can be burned to produce heat. d - splitting carbon dioxide molecules produces natural gas, which can be burned to generate electricity in power plants.