1 Answer | Add Yours
It is lithium (Li). Its density at a room temperature is `0.533 g/(cm^3)` (almost twice a light as water). Actually, it is less dense than kerosene which is used to store sodium and potassium.
Lithium is an alkali metal, although the least active. It has many interesting properties. There is relatively large amount of lithium on Earth and it is widely used in technology.
We’ve answered 318,911 questions. We can answer yours, too.Ask a question