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Americium Tin Comparison

Americium
Tin
Tin Americium comparison


Periodic Table
Symbol
Am  
Sn  
Group Number
10  
8
14  
4
Period Number
7  
5  
Block
f block  
p block  
Element Family
Actinide  
Post-​Transition  
CAS Number
7440359  
99+
7440315  
99+
Space Group Name
P63/mmc  
I41/amd  
Space Group Number
194.00  
7
141.00  
10
Facts
Interesting Facts
  • Americium metal is produced by bombarding Plutonium with Neutrons.
  • Americium metal was discovered as a by-product while testing an atomic bomb (Manhattan Project).
  
  • In the list of most abundant element Tin is ranked 49th.
  • Tin metal does not react with water as well as does not corrode in it.
  
Sources
Obtained By Bombarding Plutonium with Neutrons  
Found in Minerals, Mining  
History
  
  
Who Discovered
Glenn T. Seaborg, Ralph A. James, Leon O. Morgan, Albert Ghiorso  
-  
Discovery
In 1944  
Before 3500 BC  
Abundance
  
  
Abundance In Universe
0.00 %  
35
0.00 %  
21
Abundance In Sun
0.00 %  
30
0.00 %  
19
Abundance In Meteorites
0.00 %  
99+
0.00 %  
24
Abundance In Earth's Crust
0.00 %  
99+
0.00 %  
34
Abundance In Oceans
-  
0.00 %  
26
Abundance In Humans
0.00 %  
24
0.00 %  
15
Uses
Uses & Benefits
  • Americium metal is used in smoke detection alarms.
  • In the future, this metal has a potential to be used in batteries of spacecrafts.
  
  • Tin-niobium alloy is used for producing superconducting magnets.
  • Tin salt known as a tin II chloride, it is used as a mordant and as a reducing agent for dyeing calico and silk.
  
Industrial Uses
-  
Automobile Industry, Chemical Industry, Food Industry  
Medical Uses
-  
Dentistry  
Other Uses
Alloys, Nuclear Research, Research Purposes  
-  
Biological Properties
  
  
Toxicity
Toxic  
Non Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
40
0.38 Blood/mg dm-3  
10
In Bone
0.00 p.p.m.  
99+
1.40 p.p.m.  
17
Physical
Melting Point
994.00 °C  
99+
231.90 °C  
99+
Boiling Point
2,607.00 °C  
99+
2,270.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery White  
Silvery White  
Luster
-  
-  
Hardness
  
  
Mohs Hardness
6.00  
6
1.50  
19
Brinell Hardness
260.00 MPa  
99+
50.00 MPa  
99+
Vickers Hardness
600.00 MPa  
28
50.00 MPa  
99+
Speed of Sound
2,750.00 m/s  
99+
2,730.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.30  
99+
2.40  
7
Reflectivity
64.00 %  
19
51.00 %  
30
Allotropes
No  
Yes  
α Allotropes
-  
Grey Tin (alpha Tin, Tin Pest)  
β Allotropes
-  
White Tin (Beta Tin)  
γ Allotropes
-  
Rhombic Tin (gamma Tin)  
Chemical
Chemical Formula
Am  
Sn  
Isotopes
  
  
Known Isotopes
16  
23
35  
4
Electronegativity
  
  
Pauling Electronegativity
1.30  
33
1.96  
9
Sanderson Electronegativity
1.30  
25
1.49  
19
Allred Rochow Electronegativity
1.20  
28
1.72  
5
Mulliken-Jaffe Electronegativity
1.30  
33
2.21  
5
Allen Electronegativity
1.30  
40
1.82  
14
Electropositivity
  
  
Pauling Electropositivity
2.70  
22
2.04  
99+
Ionization Energies
  
  
1st Energy Level
578.00 kJ/mol  
99+
708.60 kJ/mol  
33
2nd Energy Level
1,158.00 kJ/mol  
99+
1,411.80 kJ/mol  
99+
3rd Energy Level
2,132.00 kJ/mol  
99+
2,943.00 kJ/mol  
30
4th Energy Level
3,493.00 kJ/mol  
99+
3,930.30 kJ/mol  
99+
5th Energy Level
5,780.00 kJ/mol  
99+
7,456.00 kJ/mol  
21
6th Energy Level
5,780.00 kJ/mol  
99+
7,080.00 kJ/mol  
99+
7th Energy level
5,780.00 kJ/mol  
99+
7,080.00 kJ/mol  
39
8th Energy Level
5,780.00 kJ/mol  
99+
7,080.00 kJ/mol  
35
9th Energy Level
5,780.00 kJ/mol  
99+
7,080.00 kJ/mol  
32
10th Energy Level
5,780.00 kJ/mol  
99+
7,080.00 kJ/mol  
36
11th Energy Level
5,780.00 kJ/mol  
99+
7,080.00 kJ/mol  
34
12th Energy Level
62,400.00 kJ/mol  
11
7,080.00 kJ/mol  
99+
13th Energy Level
5,780.00 kJ/mol  
99+
7,080.00 kJ/mol  
31
14th Energy Level
5,780.00 kJ/mol  
99+
708.60 kJ/mol  
99+
15th Energy Level
62,400.00 kJ/mol  
39
70,800.00 kJ/mol  
27
16th Energy Level
57,800.00 kJ/mol  
99+
70,800.00 kJ/mol  
22
17th Energy Level
578.00 kJ/mol  
99+
708.60 kJ/mol  
99+
18th Energy Level
5,780.00 kJ/mol  
99+
7,086.00 kJ/mol  
33
19th Energy Level
578.00 kJ/mol  
99+
708.60 kJ/mol  
39
20th Energy Level
578.00 kJ/mol  
99+
708.00 kJ/mol  
33
21st Energy Level
5,780.00 kJ/mol  
22
708.60 kJ/mol  
99+
22nd Energy Level
578.00 kJ/mol  
99+
708.00 kJ/mol  
27
23rd Energy Level
5,780.00 kJ/mol  
23
708.60 kJ/mol  
99+
24th Energy Level
578.00 kJ/mol  
99+
708.60 kJ/mol  
26
25th Energy Level
578.00 kJ/mol  
99+
708.60 kJ/mol  
28
26th Energy Level
578.00 kJ/mol  
99+
708.60 kJ/mol  
27
27th Energy Level
578.00 kJ/mol  
99+
708.60 kJ/mol  
27
28th Energy Level
578.00 kJ/mol  
99+
708.60 kJ/mol  
32
29th Energy Level
578.00 kJ/mol  
99+
708.60 kJ/mol  
33
30th Energy Level
578.00 kJ/mol  
99+
708.60 kJ/mol  
27
Electrochemical Equivalent
3.02 g/amp-hr  
20
1.11 g/amp-hr  
99+
Electron Work Function
4.30 eV  
25
4.42 eV  
22
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility  
Ionization, Solubility  
Atomic
Atomic Number
95  
23
50  
99+
Electron Configuration
[Rn] 5f7 7s2  
[Kr] 4d10 5s2 5p2  
Crystal Structure
Double Hexagonal Close Packed (DHCP)  
Tetragonal (TETR)  
Crystal Lattice
DHCP-Crystal-Structure-of-Americium.jpg#100  
TETR-Crystal-Structure-of-Tin.jpg#100  
Atom
  
  
Number of Protons
95  
23
50  
99+
Number of Neutrons
148  
13
69  
99+
Number of Electrons
95  
23
50  
99+
Radius of an Atom
  
  
Atomic Radius
173.00 pm  
23
140.00 pm  
40
Covalent Radius
180.00 pm  
23
139.00 pm  
99+
Van der Waals Radius
244.00 pm  
14
217.00 pm  
29
Atomic Weight
243.00 amu  
20
118.71 amu  
99+
Atomic Volume
17.86 cm3/mol  
99+
16.30 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Plutonium
  
Indium
  
Next Element
Curium
  
Cesium
  
Valence Electron Potential
44.00 (-eV)  
99+
83.50 (-eV)  
14
Lattice Constant
346.81 pm  
99+
583.18 pm  
7
Lattice Angles
π/2, π/2, 2 π/3  
π/2, π/2, π/2  
Lattice C/A Ratio
1.58  
34
0.68  
99+
Mechanical
Density
  
  
Density At Room Temperature
12.00 g/cm3  
32
7.37 g/cm3  
99+
Density When Liquid (at m.p.)
13.67 g/cm3  
26
6.99 g/cm3  
99+
Tensile Strength
80.00 MPa  
29
15.00 MPa  
99+
Viscosity
0.00  
25
0.00  
15
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
13
0.00 (Pa)  
18
Vapor Pressure at 2000 K
0.00 (Pa)  
24
0.00 (Pa)  
38
Elasticity properties
  
  
Shear Modulus
26.00 GPa  
36
18.00 GPa  
99+
Bulk Modulus
44.00 GPa  
32
58.00 GPa  
21
Young's Modulus
58.00 GPa  
36
50.00 GPa  
39
Poisson Ratio
0.30  
14
0.36  
8
Other Mechanical Properties
-  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
13.67  
26
7.31  
99+
Magnetic Ordering
Paramagnetic  
Diamagnetic  
Permeability
0.00 H/m  
16
0.00 H/m  
17
Susceptibility
0.00  
24
0.00  
30
Electrical Properties
  
  
Electrical Property
-  
Superconductor  
Resistivity
0.69 nΩ·m  
99+
115.00 nΩ·m  
28
Electrical Conductivity
0.02 106/cm Ω  
99+
0.09 106/cm Ω  
28
Electron Affinity
63.90 kJ/mol  
18
107.30 kJ/mol  
9
Thermal
Specific Heat
0.11 J/(kg K)  
99+
0.23 J/(kg K)  
28
Molar Heat Capacity
62.70 J/mol·K  
1
27.11 J/mol·K  
26
Thermal Conductivity
10.00 W/m·K  
99+
66.80 W/m·K  
25
Critical Temperature
1,449.00 K  
99+
505.00 K  
99+
Thermal Expansion
13.60 µm/(m·K)  
32
22.00 µm/(m·K)  
21
Enthalpy
  
  
Enthalpy of Vaporization
161.00 kJ/mol  
99+
290.40 kJ/mol  
99+
Enthalpy of Fusion
14.39 kJ/mol  
27
7.03 kJ/mol  
99+
Enthalpy of Atomization
268.00 kJ/mol  
99+
301.30 kJ/mol  
99+
Standard Molar Entropy
63.10 J/mol.K  
23
51.20 J/mol.K  
40
Summary >>
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Actinide Series

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