The figure shows a negatively charged sphere and a balloon that has been rubbed with dry human hair . if the two are brought close to each other but do not touch each other you can predict that objects a) attract each other b) polarize each other c) repel each other d) charge each other

Which of these best describes an ionic bond?

If 1.8 l of water is added to 2.5l of a 7.0 molarity koh solution, what is the molarity of the new solution

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this