First Uses of the Periodic Table Element -Rubidium

First Uses of the Periodic Table Element -Rubidium. The Early Applications of Rubidium: A Fascinating Journey from Novelty to Obsolescence. Rubidium, a silvery-white alkali metal, made its debut in the scientific world in the early 1860s. It quickly gained attention for its unique properties and potential applications in various fields. While it held promise in its early years, the use of rubidium gradually declined due to several limitations and the emergence of more suitable alternatives. In this article, we will explore the first uses of rubidium and delve into the reasons behind its eventual obsolescence.