Which Statement Describe the Atoms of an Element? A. They Are Weightless
B. They can be seen with a magnifying Glass
C. They have different sizes and shapes.
D. They have Mass and Volumes

The midpoints? a, b, and c are marked on the histogram. match them to the indicated scores. which? scores, if? any, would be considered? unusual?

What happens when chlorine reacts with bromine? a. electrons move from the chlorine atoms to the bromine atoms. b. electrons move from the bromine atoms to the chlorine atoms. c. electrons are shared between the chlorine atoms and the bromine atoms. d. electrons become delocalized among the atoms.

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =