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Periodic Table Element Comparison: Compare Elements - Hafnium vs Molybdenum

Compare Hafnium and Molybdenum

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

Facts

Hafnium
72
Hf
178.49
Solid
Gray
transition metal
4
titanium family 
6
d
[Xe] 4f14 5d2 6s2
2233 °C
4603 °C
2, 8, 18, 32, 10, 2
CAS7440-58-6
Neighborhood Elements of Hafnium
Molybdenum
42
Mo
95.94
Solid
Gray
transition metal
6
chromium family 
5
d
[Kr] 4d5 5s1
2623 °C
4639 °C
2, 8, 18, 13, 1
CAS7439-98-7
Neighborhood Elements of Molybdenum

History

History
The element Hafnium was discovered by Dirk Coster in year 1923 in Denmark. Hafnium derived its name from from Hafnia, the New Latin name for Copenhagen
The element Molybdenum was discovered by Carl Wilhelm Scheele in year 1781 in Sweden. Molybdenum derived its name derived its name from from the Greek word molybdos meaning 'lead'

Presence: Abundance in Nature and Around Us

Ppb by weight (1ppb =10^-7 %)
7×10-8%
1×10-7%
1.7e-07
3.3e-06
8×10-10%
N/A
5×10-7%
9×10-7%
1.2e-06
1.1e-06
1×10-6%
1e-07

Crystal Structure and Atomic Structure

208 pm
13.410217881292 cm3
150 pm
N/A
104
hafnium Spectrum
319.64, 319.64, 505.11 pm
π/2, π/2, 2 π/3
P63/mmc
194

Simple Hexagonal

hafnium Crystal Structure
190 pm
9.3326848249027 cm3
145 pm
N/A
2.6
molybdenum Spectrum
314.7, 314.7, 314.7 pm
π/2, π/2, π/2
Im_ 3m
229

Body Centered Cubic

molybdenum 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
72
72
72
178.49
106.49
2, 8, 18, 32, 10, 2
[Xe] 4f14 5d2 6s2
5d2 6s2
-2  1;2;3;4
3F2
hafnium Shells
42
42
42
95.94
53.94
2, 8, 18, 13, 1
[Kr] 4d5 5s1
4d5 5s1
-4;-2;-1  1;2;3;4;5;6
7S3
molybdenum Shells

Isotopes - Nuclear Properties

Isotopes
Naturally occurring stable isotopes:
176Hf, 177Hf, 178Hf, 179Hf, 180Hf.
Naturally occurring stable isotopes:
92Mo, 94Mo, 95Mo, 96Mo, 97Mo, 98Mo.

Chemical Properties: Ionization Energies and electron affinity

4
1.3
0 kJ/mol
658.5, 1440, 2250, 3216 kJ/mol
6
2.16
71.9 kJ/mol
684.3, 1560, 2618, 4480, 5257, 6640.8, 12125, 13860, 15835, 17980, 20190, 22219, 26930, 29196, 52490, 5.5×104, 6.14×104, 6.77×104, 7.4×104, 8.04×104, 8.7×104 kJ/mol

Physical Properties

13.31 g/cm3
13.410217881292

 

78 GPa
30 GPa
110 GPa
0.37


 

5.5 MPa
1760 MPa
1.7×103 MPa

 

3.3×106 S/m
3×10-7 m Ω
0.128

 

23 W/(m K)
5.9×10-6 K-1

 

Paramagnetic
N/A
5.3×10-9
9.46×10-10
7.05e-05

 

N/A

 

3010 m/s
10.28 g/cm3
9.3326848249027

 

329 GPa
20 GPa
230 GPa
0.31


 

5.5 MPa
1530 MPa
1.5×103 MPa

 

2×107 S/m
5×10-8 m Ω
0.915

 

139 W/(m K)
4.8×10-6 K-1

 

Paramagnetic
N/A
1.17×10-8
1.122×10-9
0.0001203

 

N/A

 

6190 m/s

Thermal Properties - Enthalpies and thermodynamics

2233 °C
4603 °C
N/A
0.128

 

25.5 kJ/mol
630 kJ/mol
N/A
2623 °C
4639 °C
N/A
0.915

 

36 kJ/mol
600 kJ/mol
N/A

Regulatory and Health - Health and Safety Parameters and Guidelines

CAS7440-58-6
RTECSMG4600000
4.2
2545
N/A
N/A
N/A
N/A
N/A

 

N/A
N/A
CAS7439-98-7
RTECSQA4680000
4.1
3089
N/A
3
N/A
1
0

 

N/A
N/A

Compare With Other Elements

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