In chemistry, "TB" most commonly refers to Terbium (Tb), a chemical element.
Terbium: An Overview
Terbium is a rare earth element with several notable characteristics:
- Symbol and Atomic Number: Represented by the symbol Tb and has the atomic number 65.
- Discovery: It was discovered by Carl Mosander in 1843.
- Origin of Name: The element is named after the village of Ytterby in Sweden.
- Physical Properties: Terbium is described as a soft, ductile, and malleable metal. Due to its high reactivity with oxygen in air, Terbium is never found in nature as a free element.