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mineralogy elements Ho holmium

Ho - holmium - METAL LANTHANIDES

1470°
2720°
164.93033
3
67
Ho
[Xe] 4f11 6s2
2
8
18
29
8
2
1.23
6.0215
Synthetic
Radioactive
Liquid
Gaseous
holmium Electronic configuration diagram
Electronic configuration diagram

Name holmium
Number 67
Atomic 164.93033
Symbol Ho
Fusion 1470
Boiling 2720
Density 8.795
Period 6
Group 0
Discovery 1878 Delafontaine and Soret
Abundance 1.3
Radius 2.5
Electronegativity 1.23
Ionization 6.0215
Number of isotopes 29
Electronic configuration [Xe] 4f11 6s2
Oxidation states 3
Electron by energy level 2,8,18,29,8,2

Mineral Hardness Density Formula
Chukhrovite-(Nd) 3.50 / 4.00 2.42 Ca3NdAl2SO4F13·12H2O
Decrespignyite-(Y) 4.00 / 4.00 3.64 Y4Cu(CO3)4Cl(OH)5·2H2O
Hingganite-(Y) 5.00 / 6.00 BeY(SiO4)(OH)
Iwashiroite-(Y) 6.00 / 6.00 7.10 YTaO4
Moskvinite-(Y) 5.00 / 5.00 2.91 Na2KYSi6O15
Samarskite-(Yb) 5.00 / 6.00 7.03 YbNbO4