;

Periodic Table Element Comparison: Compare Elements - Fermium vs Holmium

Compare Fermium and Holmium

Compare Fermium 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 Fermium vs Holmium with most reliable information about their properties, attributes, facts, uses etc. You can compare Fm vs Ho on more than 90 properties like electronegativity , oxidation state, atomic shells, orbital structure, Electronaffinity, physical states, electrical conductivity and many more.

Facts

Fermium
100
Fm
257
Solid
N/A
actinide
N/A
 
7
f
[Rn] 5f12 7s2
1527 °C
N/A
2, 8, 18, 32, 30, 8, 2
CAS7440-72-4
Neighborhood Elements of Fermium
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 Fermium was discovered by Lawrence Berkeley National Laboratory in year 1952 in United States. Fermium derived its name from from Enrico Fermi, 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
5.8×103
fermium Spectrum
N/A
N/A
N/A
N/A

Body Centered Cubic

fermium 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
100
100
100
257
157
2, 8, 18, 32, 30, 8, 2
[Rn] 5f12 7s2
5f12 7s2
 2;3
3H6
fermium 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

3
1.3
N/A
627 kJ/mol
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

1527 °C
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

CAS7440-72-4
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