Protons have a positive charge true or false

Which best describes why nh4+ can form an ionic bond with ci-?

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.

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