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.

A piece of Ytterbium.

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.

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