How many resonance structures are possible for hydroxide ion? a. 3 b. none c. 2

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

What is a property of a double replacement reaction

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