element with the atomic number of 70
Ytterbium is a chemical element. It has the chemical symbol Yb. It has the atomic number 70. It is part of a group of chemical elements in the periodic table named the Lanthanides. Ytterbium is a rare earth element. It is soft and silver in colour.
Ytterbium is found in minerals named gadolinite, monazite, and xenotime. In nature it is found as a mix of seven stable isotopes. Ytterbium is used in some steels and is also used to make lasers.