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mineralogy elements Tb Terbium

Tb - Terbium - METAL LANTHANIDES

1360°
3041°
158.92535
1
3
4
65
Tb
[Xe] 4f9 6s2
2
8
18
27
8
2
1.2
5.8638
Synthetic
Radioactive
Liquid
Gaseous
Terbium Electronic configuration diagram
Electronic configuration diagram

Name Terbium
Number 65
Atomic 158.92535
Symbol Tb
Fusion 1360
Boiling 3041
Density 8.229
Period 6
Group 0
Discovery 1843 Mosander
Abundance 1.2
Radius 2.5
Electronegativity 1.2
Ionization 5.8638
Number of isotopes 24
Electronic configuration [Xe] 4f9 6s2
Oxidation states 1,3,4
Electron by energy level 2,8,18,27,8,2

Mineral Hardness Density Formula
Decrespignyite-(Y) 4.00 / 4.00 3.64 Y4Cu(CO3)4Cl(OH)5·2H2O
Hingganite-(Y) 5.00 / 6.00 BeY(SiO4)(OH)
Lepersonnite-(Gd) 3.97 CaGd2(UO2)24(CO3)8Si4O28·60H2O
Moskvinite-(Y) 5.00 / 5.00 2.91 Na2KYSi6O15
Samarskite-(Yb) 5.00 / 6.00 7.03 YbNbO4