Erbium

Erbium General

Name:Erbium	Symbol:Er
Type:Rare Earth, Lanthanides	Atomic weight:167.26
Density @ 293 K:9.05 g/cm3	Atomic volume:18.4 cm3/mol
Discovered: 1843

Erbium States

State (s, l, g):solid
Melting point:1803 K (1530 °C)	Boiling point:3133 K (2860 °C)

Erbium Energies

Specific heat capacity:0.17 J/gK	Heat of atomization:317 kJ/mole atoms
Heat of fusion:19.90 kJ/mol	Heat of vaporization :261.0 kJ/mol
1st ionization energy:588.7 kJ/mole	2nd ionization energy:1151 kJ/mole
3rd ionization energy:2194 kJ/mole	Electron affinity:50 kJ/mole

Erbium Oxidation & Electrons

Shells:2,8,18,30,8,2	Electron configuration:[Xe] 4f12 6s2
Minimum oxidation number:0	Maximum oxidation number:3
Min. common oxidation no.:0	Max. common oxidation no.:3
Electronegativity (Pauling Scale):1.24	Polarizability volume:22.7 Å3

Erbium Appearance & Characteristics

Structure:hcp: hexagonal close pkd	Color:silvery-white
Hardness:mohs
Harmful effects:
Characteristics:   Uses: alloys, photogr. filter

Erbium Reactions

Reaction with air:vigorous, => Er2O3	Reaction with 6 M HCl:mild, => H2, ErCl3
Reaction with 15 M HNO3:mild, => Er(NO3)3	Reaction with 6 M NaOH:

Erbium Compounds

Oxide(s):Er2O3	Chloride(s): ErCl3
Hydride(s):ErH2 ErH3

Erbium Radius

Atomic radius:176 pm	Ionic radius (1+ ion): pm
Ionic radius (2+ ion): pm	Ionic radius (3+ ion):103 pm
Ionic radius (2- ion): pm	Ionic radius (1- ion): pm

Erbium Conductivity

Thermal conductivity:14.5 J/m-sec-deg

Electrical conductivity: 14.1 1/mohm-cm

Erbium Abundance & Isotopes

Abundance earth's crust: 0.4 log

Abundance solar system: -0.601 log

Cost, pure:$765 per 100g

Cost, bulk:$65 per 100g

Source: Monazite(phosphate),bastnaesite

Isotopes: 6

Erbium Other

Other:

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