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Periodic Table Element Comparison: Compare Elements - Molybdenum vs Krypton

Compare Molybdenum and Krypton

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

Facts

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
Krypton
36
Kr
83.798
Gas
Colorless
noble gas
18
helium family or neon family 
4
p
[Ar] 3d10 4s2 4p6
-157.36 °C
-153.22 °C
2, 8, 18, 8
CAS7439-90-9
Neighborhood Elements of Krypton

History

History
The element Molybdenum was discovered by Carl Wilhelm Scheele in year 1781 in Sweden. Molybdenum derived its name from from the Greek word molybdos meaning 'lead'
The element Krypton was discovered by William Ramsay in year 1898 in United Kingdom. Krypton derived its name derived its name from from the Greek kryptos, meaning 'hidden'

Presence: Abundance in Nature and Around Us

Ppb by weight (1ppb =10^-7 %)
5×10-7%
9×10-7%
1.2e-06
1.1e-06
1×10-6%
1e-07
4×10-6%
N/A
N/A
1.5×10-8%
2.1×10-8%
N/A

Crystal Structure and Atomic 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
88 pm
22.346133333333 cm3
110 pm
202 pm
25
krypton Spectrum
570.6, 570.6, 570.6 pm
π/2, π/2, π/2
Fm_ 3m
225

Face Centered Cubic

krypton 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
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
36
36
36
83.798
47.798
2, 8, 18, 8
[Ar] 3d10 4s2 4p6
4s2 4p6
 2
1S0
krypton Shells

Isotopes - Nuclear Properties

Isotopes
Naturally occurring stable isotopes:
92Mo, 94Mo, 95Mo, 96Mo, 97Mo, 98Mo.
Naturally occurring stable isotopes:
78Kr, 80Kr, 82Kr, 83Kr, 84Kr, 86Kr.

Chemical Properties: Ionization Energies and electron affinity

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
2
3
0 kJ/mol
1350.8, 2350.4, 3565, 5070, 6240, 7570, 10710, 12138, 22274, 25880, 2.97×104, 3.38×104, 3.77×104, 4.31×104, 4.75×104, 5.22×104, 5.71×104, 6.18×104, 7.58×104, 8.04×104, 8.53×104 kJ/mol

Physical Properties

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
3.75 g/l
22.346133333333

 

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


 

N/A
N/A
N/A

 

N/A
N/A
N/A

 

0.00943 W/(m K)
N/A

 

Diamagnetic
N/A
-4.4×10-9
-3.69×10-10
-1.65×10-8

 

1.000427

 

1120 m/s

Thermal Properties - Enthalpies and thermodynamics

2623 °C
4639 °C
N/A
0.915

 

36 kJ/mol
600 kJ/mol
N/A
-157.36 °C
-153.22 °C
209.41 K
N/A

 

1.64 kJ/mol
9.02 kJ/mol
N/A

Regulatory and Health - Health and Safety Parameters and Guidelines

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

 

N/A
N/A
CAS7439-90-9
RTECSOC6772500
2.2
1970
EU231-098-5
N/A
N/A
N/A
N/A

 

N/A
N/A