Home
Compare Metals


Actinium Iron Comparison


Iron Actinium comparison


Periodic Table

Symbol
Ac  
Fe  

Group Number
3  
15
8  
10

Period Number
7  
4  

Block
f block  
d block  

Element Family
Actinide  
Transition Metal  

CAS Number
7440348  
99+
7439896  
99+

Space Group Name
Fm_ 3m  
Im_ 3m  

Space Group Number
225.00  
3
229.00  
2

Facts

Interesting Facts
Actinium glows in the dark due to its radioactivity.  
  • Iron is not always magnetic in nature, its allotrope are ferromagnetic and the B allotrope is nonmagnetic.
  • The blood consists Iron in hemoglobin molecules to transfer Oxygen in the body.
  

Sources
Obtained by Treating Radium with Neutrons, Ores of metals  
Earth's crust, Found in Minerals  

History
  
  

Who Discovered
Friedrich Oskar Giesel  
-  

Discovery
In 1902  
Before 5000 BC  

Abundance
  
  

Abundance In Universe
0.00 %  
34
0.11 %  
1

Abundance In Sun
0.00 %  
26
0.10 %  
1

Abundance In Meteorites
0.00 %  
99+
22.00 %  
1

Abundance In Earth's Crust
0.00 %  
99+
6.30 %  
2

Abundance In Oceans
0.00 %  
99+
0.00 %  
12

Abundance In Humans
0.00 %  
24
0.01 %  
6

Uses

Uses & Benefits
  • Actinium metal has a great source of alpha rays but it is hardly used outside research purpose.
  
  • Iron metal alloy steel is used in the application of civil engineering and manufacturing.
  • Alloys of iron with nickel, vanadium, chromium, tungsten and manganese have very useful properties.
  

Industrial Uses
-  
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry  

Medical Uses
-  
Pharmaceutical Industry, Surgical Instruments Manufacturing  

Other Uses
Alloys, Nuclear Research, Research Purposes  
Alloys, Sculptures, Statues  

Biological Properties
  
  

Toxicity
Toxic  
Non Toxic  

Present in Human Body
No  
Yes  

In Blood
0.00 Blood/mg dm-3  
40
447.00 Blood/mg dm-3  
3

In Bone
0.00 p.p.m.  
99+
380.00 p.p.m.  
5

Physical

Melting Point
1,227.00 °C  
38
1,535.00 °C  
25

Boiling Point
3,200.00 °C  
27
2,750.00 °C  
39

Appearance
  
  

Physical State
Solid  
Solid  

Color
Silvery White  
Gray  

Luster
-  
Metallic  

Hardness
  
  

Mohs Hardness
6.50  
5
4.00  
11

Brinell Hardness
70.00 MPa  
99+
200.00 MPa  
99+

Vickers Hardness
260.00 MPa  
99+
608.00 MPa  
27

Speed of Sound
3,430.00 m/s  
32
5,120.00 m/s  
12

Optical Properties
  
  

Refractive Index
1.00  
99+
2.60  
4

Reflectivity
62.00 %  
21
65.00 %  
18

Allotropes
No  
Yes  

α Allotropes
-  
Ferrite (alpha Iron)  

β Allotropes
-  
beta Iron  

γ Allotropes
-  
gamma Iron  

Chemical

Chemical Formula
Ac  
Fe  

Isotopes
  
  

Known Isotopes
29  
10
26  
13

Electronegativity
  
  

Pauling Electronegativity
1.10  
99+
1.83  
15

Sanderson Electronegativity
1.10  
38
2.20  
8

Allred Rochow Electronegativity
1.00  
37
1.64  
9

Mulliken-Jaffe Electronegativity
1.10  
99+
1.83  
16

Allen Electronegativity
1.10  
99+
1.80  
15

Electropositivity
  
  

Pauling Electropositivity
2.90  
10
2.17  
99+

Ionization Energies
  
  

1st Energy Level
499.00 kJ/mol  
99+
762.50 kJ/mol  
17

2nd Energy Level
1,170.00 kJ/mol  
99+
1,561.90 kJ/mol  
37

3rd Energy Level
1,900.00 kJ/mol  
99+
2,957.00 kJ/mol  
29

4th Energy Level
4,700.00 kJ/mol  
33
5,290.00 kJ/mol  
25

5th Energy Level
4,990.00 kJ/mol  
99+
7,240.00 kJ/mol  
25

6th Energy Level
5,750.00 kJ/mol  
99+
9,560.00 kJ/mol  
20

7th Energy level
5,750.00 kJ/mol  
99+
12,060.00 kJ/mol  
15

8th Energy Level
5,750.00 kJ/mol  
99+
14,580.00 kJ/mol  
14

9th Energy Level
4,990.00 kJ/mol  
99+
22,540.00 kJ/mol  
5

10th Energy Level
4,990.00 kJ/mol  
99+
25,290.00 kJ/mol  
8

11th Energy Level
4,990.00 kJ/mol  
99+
28,000.00 kJ/mol  
9

12th Energy Level
49,900.00 kJ/mol  
21
31,920.00 kJ/mol  
31

13th Energy Level
4,990.00 kJ/mol  
99+
34,830.00 kJ/mol  
9

14th Energy Level
4,990.00 kJ/mol  
99+
37,840.00 kJ/mol  
11

15th Energy Level
49,900.00 kJ/mol  
99+
44,100.00 kJ/mol  
99+

16th Energy Level
49,900.00 kJ/mol  
99+
47,206.00 kJ/mol  
99+

17th Energy Level
499.00 kJ/mol  
99+
122,200.00 kJ/mol  
1

18th Energy Level
4,990.00 kJ/mol  
99+
131,000.00 kJ/mol  
2

19th Energy Level
499.00 kJ/mol  
99+
140,500.00 kJ/mol  
3

20th Energy Level
499.00 kJ/mol  
99+
152,600.00 kJ/mol  
5

21st Energy Level
4,990.00 kJ/mol  
25
163,000.00 kJ/mol  
5

22nd Energy Level
499.00 kJ/mol  
99+
173,600.00 kJ/mol  
4

23rd Energy Level
4,990.00 kJ/mol  
29
188,100.00 kJ/mol  
4

24th Energy Level
499.00 kJ/mol  
99+
195,200.00 kJ/mol  
1

25th Energy Level
499.00 kJ/mol  
99+
762.00 kJ/mol  
15

26th Energy Level
499.00 kJ/mol  
99+
762.50 kJ/mol  
15

27th Energy Level
499.00 kJ/mol  
99+
762.50 kJ/mol  
14

28th Energy Level
499.00 kJ/mol  
99+
762.50 kJ/mol  
20

29th Energy Level
499.00 kJ/mol  
99+
762.50 kJ/mol  
20

30th Energy Level
499.00 kJ/mol  
99+
762.00 kJ/mol  
15

Electrochemical Equivalent
2.82 g/amp-hr  
22
0.69 g/amp-hr  
99+

Electron Work Function
4.38 eV  
23
4.70 eV  
15

Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility  
Corrosion, Ionization, Solubility  

Atomic

Atomic Number
89  
29
26  
99+

Electron Configuration
[Rn] 6d1 7s2  
[Ar] 3d6 4s2  

Crystal Structure
Face Centered Cubic (FCC)  
Body Centered Cubic (BCC)  

Crystal Lattice
FCC-Crystal-Structure-of-Actinium.jpg#100  
BCC-Crystal-Structure-.jpg#100  

Atom
  
  

Number of Protons
89  
29
26  
99+

Number of Neutrons
138  
17
30  
99+

Number of Electrons
89  
29
26  
99+

Radius of an Atom
  
  

Atomic Radius
195.00 pm  
9
126.00 pm  
99+

Covalent Radius
186.00 pm  
21
132.00 pm  
99+

Van der Waals Radius
215.00 pm  
31
200.00 pm  
35

Atomic Weight
227.00 amu  
25
55.85 amu  
99+

Atomic Volume
22.54 cm3/mol  
20
7.10 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element
Radium
  
Manganese
  

Next Element
Thorium
  
Cobalt
  

Valence Electron Potential
38.60 (-eV)  
99+
67.00 (-eV)  
20

Lattice Constant
567.00 pm  
9
286.65 pm  
99+

Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  

Lattice C/A Ratio
1.89  
2
1.35  
99+

Mechanical

Density
  
  

Density At Room Temperature
10.00 g/cm3  
40
7.87 g/cm3  
99+

Density When Liquid (at m.p.)
10.07 g/cm3  
40
6.98 g/cm3  
99+

Tensile Strength
65.00 MPa  
33
11,000.00 MPa  
1

Viscosity
0.00  
25
0.00  
19

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)  
22
0.00 (Pa)  
30

Vapor Pressure at 2000 K
0.00 (Pa)  
30
36.80 (Pa)  
5

Elasticity properties
  
  

Shear Modulus
25.00 GPa  
38
82.00 GPa  
11

Bulk Modulus
94.00 GPa  
17
170.00 GPa  
10

Young's Modulus
130.00 GPa  
16
211.00 GPa  
9

Poisson Ratio
0.34  
10
0.29  
15

Other Mechanical Properties
-  
Ductile, Malleable, Weldable  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
10.07  
99+
7.20  
99+

Magnetic Ordering
Paramagnetic  
Ferromagnetic  

Permeability
0.00 H/m  
17
0.01 H/m  
1

Susceptibility
0.00  
24
200,000.00  
1

Electrical Properties
  
  

Electrical Property
-  
Conductor  

Resistivity
5.20 nΩ·m  
99+
96.10 nΩ·m  
32

Electrical Conductivity
0.15 106/cm Ω  
13
0.10 106/cm Ω  
24

Electron Affinity
33.20 kJ/mol  
34
15.70 kJ/mol  
40

Thermal

Specific Heat
0.12 J/(kg K)  
99+
0.44 J/(kg K)  
13

Molar Heat Capacity
27.20 J/mol·K  
24
25.10 J/mol·K  
99+

Thermal Conductivity
12.00 W/m·K  
99+
80.40 W/m·K  
22

Critical Temperature
1,323.00 K  
99+
1,811.00 K  
29

Thermal Expansion
12.10 µm/(m·K)  
99+
11.80 µm/(m·K)  
99+

Enthalpy
  
  

Enthalpy of Vaporization
120.00 kJ/mol  
99+
351.00 kJ/mol  
33

Enthalpy of Fusion
14.20 kJ/mol  
28
14.90 kJ/mol  
23

Enthalpy of Atomization
301.00 kJ/mol  
99+
414.20 kJ/mol  
24

Standard Molar Entropy
56.50 J/mol.K  
33
27.30 J/mol.K  
99+

Summary >>
<< Thermal

Compare Actinide Series

Actinide Series

Actinide Series

» More Actinide Series

Compare Actinide Series

» More Compare Actinide Series