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Periodic Table Element Comparison: Compare Elements - Roentgenium vs Holmium

Compare Roentgenium and Holmium

Compare Roentgenium and Holmium on the basis of their properties, attributes and periodic table facts. Compare elements on more than 90 properties. All the elements of similar categories show a lot of similarities and differences in their chemical, atomic, physical properties and uses. These similarities and dissimilarities should be known while we study periodic table elements. You can study the detailed comparison between Roentgenium vs Holmium with most reliable information about their properties, attributes, facts, uses etc. You can compare Rg vs Ho on more than 90 properties like electronegativity , oxidation state, atomic shells, orbital structure, Electronaffinity, physical states, electrical conductivity and many more.

Facts

Roentgenium
111
Rg
272
Solid
N/A
transition_metal
11
copper family 
7
d
[Rn] 5f14 6d10 7s1
N/A
N/A
2, 8, 18, 32, 32, 17, 2
CAS54386-24-2
Neighborhood Elements of Roentgenium
Holmium
67
Ho
164.93032
Solid
Silver
lanthanide
N/A
 
6
f
[Xe] 4f11 6s2
1474 °C
2700 °C
2, 8, 18, 29, 8, 2
CAS7440-60-0
Neighborhood Elements of Holmium

History

History
The element Roentgenium was discovered by Gesellschaft für Schwerionenforschung in year 1994 in Germany. Roentgenium derived its name from from Wilhelm Conrad Röntgen, physicist
The element Holmium was discovered by Marc Delafontaine in year 1878 in Switzerland. Holmium derived its name derived its name from from Holmia, the New Latin name for Stockholm

Presence: Abundance in Nature and Around Us

Ppb by weight (1ppb =10^-7 %)
N/A
None
None
None
None
None
5×10-8%
None
5.9×10-6%
1.2e-06
2.2×10-11%
N/A

Crystal Structure and Atomic Structure

N/A
N/A cm3
N/A
N/A
N/A
roentgenium Spectrum
N/A
N/A
N/A
N/A

Body Centered Cubic

roentgenium Crystal Structure
226 pm
18.752736782263 cm3
N/A
N/A
65
holmium Spectrum
357.73, 357.73, 561.58 pm
π/2, π/2, 2 π/3
P63/mmc
194

Simple Hexagonal

holmium Crystal Structure

Atomic and Orbital Properties

Atomic Number
Number of Electrons (with no charge)
Number of Protons
Mass Number
Number of Neutrons
Shell structure (Electrons per energy level)
Electron Configuration
Valence Electrons
Oxidation State
Atomic Term Symbol (Quantum Numbers)
Shell structure
111
111
111
272
161
2, 8, 18, 32, 32, 17, 2
[Rn] 5f14 6d10 7s1
6d10 7s1
 
2S1/2
roentgenium Shells
67
67
67
164.93032
97.93032
2, 8, 18, 29, 8, 2
[Xe] 4f11 6s2
4f11 6s2
 2;3
4I15/2
holmium Shells

Isotopes - Nuclear Properties

Isotopes
Naturally occurring stable isotopes:
None.
Naturally occurring stable isotopes:
165Ho.

Chemical Properties: Ionization Energies and electron affinity

N/A
N/A
N/A
N/A
3
1.23
50 kJ/mol
581, 1140, 2204, 4.1×103 kJ/mol

Physical Properties

N/A
N/A

 

N/A
N/A
N/A
N/A


 

N/A
N/A
N/A

 

N/A
N/A
N/A

 

N/A
N/A

 

N/A
N/A
N/A
N/A
N/A

 

N/A

 

N/A
8.795 g/cm3
18.752736782263

 

65 GPa
26 GPa
40 GPa
0.23


 

N/A
481 MPa
746 MPa

 

1.1×106 S/m
9.4×10-7 m Ω
N/A

 

16 W/(m K)
0.0000112 K-1

 

Paramagnetic
20 K
5.49×10-6
9.05467×10-7
0.0482845

 

N/A

 

2760 m/s

Thermal Properties - Enthalpies and thermodynamics

N/A
N/A
N/A
N/A

 

N/A
N/A
N/A
1474 °C
2700 °C
N/A
N/A

 

17 kJ/mol
265 kJ/mol
N/A

Regulatory and Health - Health and Safety Parameters and Guidelines

CAS54386-24-2
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A

 

N/A
N/A
CAS7440-60-0
N/A
4.1
3089
N/A
N/A
N/A
N/A
N/A

 

N/A
N/A