Describe the motion and arrangement of particles in a solid, a liquid, and a gas.

An engineering team designs a new rocket that is faster and lighter than any other model being produced. however, the materials end up being so expensive that no company can afford to buy them. which step of the engineering process should have addressed this problem? a. know the background. b. evaluate the results. c. identify a need. d. do the work.

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

Why is silver chloride is an ionic compound