dolor (plural dolors) ( 1 literary) Sorrow, grief, misery or anguish. 2  A unit of pain used to theoretically weigh people's outcomes.
Potassium, K. Reaction with water. When a small piece of potassium is added to water, it produces a hissing sound as it burns with a lilac flame. It also moves about quickly on the water surface. [ image ]. Hydrogen gas is given out in the reaction. The resulting alkaline solution will turn red litmus blue because of the potassium hydroxide formed.
Potassium is highly unstable in its metallic form, but after it loses an electron it becomes very stable. The potassium in KCl is already ionized, so it has no need to react. Metallic K in water quickly goes to work reacting so it can lose that pesky electron.