Chemical Elements.com - Ytterbium (Yb)

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Basic Information

Name: Ytterbium
Symbol: Yb
Atomic Number: 70
Atomic Mass: 173.04 amu
Melting Point: 824.0 °C (1097.15 K, 1515.2 °F)
Boiling Point: 1466.0 °C (1739.15 K, 2670.8 °F)
Number of Protons/Electrons: 70
Number of Neutrons: 103
Classification: Rare Earth
Crystal Structure: Cubic
Density @ 293 K: 6.98 g/cm³
Color: Silvery

Atomic Structure

Number of Energy Levels: 6

First Energy Level:

Second Energy Level:

Third Energy Level:

Fourth Energy Level:

Fifth Energy Level:

Sixth Energy Level:

Isotopes

Isotope	Half Life
Yb-168	Stable
Yb-169	32.03 days
Yb-170	Stable
Yb-171	Stable
Yb-172	Stable
Yb-173	Stable
Yb-174	Stable
Yb-175	4.19 days
Yb-176	Stable

Facts

Date of Discovery: 1878
Discoverer: Jean de Marignac
Name Origin: Ytterby (a town in Sweden)
Uses: metallurgical and chemical experiments
Obtained From: yttria, monazite, gadolinite, xenotime

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