What Color Is Rubidium Flame?
What Color Is Rubidium Flame? Element color Rubidiumred (red-violet) Cesium blue/violet (see below) Calcium orange-red Strontium red What happens when you burn rubidium? Rubidium is very soft and easily cut. The resulting surface is bright and shiny. However, this surface soon tarnishes because of reaction with oxygen and moisture from the air. If rubidium is