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Periodic Table Element Comparison: Compare Elements - Iron vs Cobalt

Compare Iron and Cobalt

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

Facts

Iron
26
Fe
55.845
Solid
Gray
transition metal
8
iron family 
4
d
[Ar] 3d6 4s2
1538 °C
2861 °C
2, 8, 14, 2
CAS7439-89-6
Neighborhood Elements of Iron
Cobalt
27
Co
58.9332
Solid
Gray
transition metal
9
cobalt family 
4
d
[Ar] 3d7 4s2
1495 °C
2927 °C
2, 8, 15, 2
CAS7440-48-4
Neighborhood Elements of Cobalt

History

History
The element Iron was discovered by unknown in year 2000 BC in unknown place. Iron derived its name from from English word (ferrum in Latin)
The element Cobalt was discovered by Georg Brandt in year 1735 in Sweden. Cobalt derived its name derived its name from from the German word Kobold, meaning 'goblin'

Presence: Abundance in Nature and Around Us

Ppb by weight (1ppb =10^-7 %)
0.0011
0.001
0.22
0.063
3×10-7%
6e-05
3e-06
4e-06
0.00059
3e-05
8×10-9%
2×10-6%

Crystal Structure and Atomic Structure

156 pm
7.0923291846584 cm3
125 pm
N/A
2.56
iron Spectrum
286.65, 286.65, 286.65 pm
π/2, π/2, π/2
Im_ 3m
229

Body Centered Cubic

iron Crystal Structure
152 pm
6.6217078651685 cm3
126 pm
N/A
37.2
cobalt Spectrum
250.71, 250.71, 406.95 pm
π/2, π/2, 2 π/3
P63/mmc
194

Simple Hexagonal

cobalt 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
26
26
26
55.845
29.845
2, 8, 14, 2
[Ar] 3d6 4s2
3d6 4s2
-4;-2;-1  1;2;3;4;5;6;7
5D4
iron Shells
27
27
27
58.9332
31.9332
2, 8, 15, 2
[Ar] 3d7 4s2
3d7 4s2
-3;-1  1;2;3;4;5
4F9/2
cobalt Shells

Isotopes - Nuclear Properties

Isotopes
Naturally occurring stable isotopes:
54Fe, 56Fe, 57Fe, 58Fe.
Naturally occurring stable isotopes:
59Co.

Chemical Properties: Ionization Energies and electron affinity

3
1.83
15.7 kJ/mol
762.5, 1561.9, 2957, 5290, 7240, 9560, 12060, 14580, 22540, 25290, 2.8×104, 31920, 34830, 37840, 4.41×104, 47206, 1.222×105, 1.31×105, 1.405×105, 1.526×105, 1.63×105 kJ/mol
4
1.88
63.7 kJ/mol
760.4, 1648, 3232, 4950, 7670, 9840, 12440, 15230, 17959, 26570, 2.94×104, 3.24×104, 3.66×104, 3.97×104, 4.28×104, 49396, 52737, 134810, 145170, 1.547×105, 1.674×105 kJ/mol

Physical Properties

7.874 g/cm3
7.0923291846584

 

211 GPa
82 GPa
170 GPa
0.29


 

4 MPa
608 MPa
490 MPa

 

1×107 S/m
9.7×10-8 m Ω
N/A

 

80 W/(m K)
0.0000118 K-1

 

Ferromagnetic
1043 K
N/A
N/A
N/A

 

N/A

 

4910 m/s
8.9 g/cm3
6.6217078651685

 

209 GPa
75 GPa
180 GPa
0.31


 

5 MPa
1043 MPa
700 MPa

 

1.7×107 S/m
6×10-8 m Ω
N/A

 

100 W/(m K)
0.000013 K-1

 

Ferromagnetic
1394 K
N/A
N/A
N/A

 

N/A

 

4720 m/s

Thermal Properties - Enthalpies and thermodynamics

1538 °C
2861 °C
N/A
N/A

 

13.8 kJ/mol
347 kJ/mol
N/A
1495 °C
2927 °C
N/A
N/A

 

16.2 kJ/mol
375 kJ/mol
N/A

Regulatory and Health - Health and Safety Parameters and Guidelines

CAS7439-89-6
RTECSNO4565500
4.1
3089
N/A
1
N/A
1
0

 

100 °C
N/A
CAS7440-48-4
RTECSGF8750000
4.1
3089
N/A
N/A
N/A
N/A
N/A

 

N/A
N/A

Compare With Other Elements

Elements of the Same Group
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