Date of Discovery: 1843
Discoverer: Carl Mosander
Name Origin: Ytterby (a town in Sweden)
Uses: Ceramics
Obtained From: Heavier lanthanide minerals
Er
Ho
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Er
Er
Electrons: 68
Protons: 68
Neutrons: 99
Atomic Mass:
167.26 amu
Melting Point:
1522.0 °C
1795.15 °K
2771.6 °F
Boiling Point:
2510.0 °C
2783.15 °K
4550.0 °F
Classification:
Lanthanide
Crystal Structure:
Hexagonal
Density @ 293 K:
8.795 g/cm3
Color:
Grayish
Lanthanides
Neighbors
La
Holmium Erbium Thulium
Einsteinium Fermium Mendelevium
Neighbor