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Neptunium Tin Comparison

Neptunium
Tin
Tin Neptunium comparison


Periodic Table
Symbol
Np  
Sn  
Group Number
3  
15
14  
4
Period Number
7  
5  
Block
f block  
p block  
Element Family
Actinide  
Post-​Transition  
CAS Number
7439998  
99+
7440315  
99+
Space Group Name
Pnma  
I41/amd  
Space Group Number
62.00  
14
141.00  
10
Facts
Interesting Facts
Neptunium was the first transuranium element to be discovered.  
  • 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
Made by Bombarding Uranium with Neutrons, Ores of metals  
Found in Minerals, Mining  
History
  
  
Who Discovered
Edwin McMillan and Philip H. Abelson  
-  
Discovery
In 1940  
Before 3500 BC  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
21
Abundance In Sun
0.00 %  
26
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
  • Currently known uses of Neptunium metal are limited to research purpose only.
  • Neptunium’s isotope neptunium-237 is used as a neutron detectors.
  
  • 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
640.00 °C  
99+
231.90 °C  
99+
Boiling Point
3,902.00 °C  
13
2,270.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silver  
Silvery White  
Luster
Metallic  
-  
Hardness
  
  
Mohs Hardness
6.00  
6
1.50  
19
Brinell Hardness
622.00 MPa  
23
50.00 MPa  
99+
Vickers Hardness
640.00 MPa  
23
50.00 MPa  
99+
Speed of Sound
2,260.00 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
Np  
Sn  
Isotopes
  
  
Known Isotopes
20  
19
35  
4
Electronegativity
  
  
Pauling Electronegativity
1.36  
30
1.96  
9
Sanderson Electronegativity
1.36  
23
1.49  
19
Allred Rochow Electronegativity
1.22  
27
1.72  
5
Mulliken-Jaffe Electronegativity
1.36  
31
2.21  
5
Allen Electronegativity
1.36  
37
1.82  
14
Electropositivity
  
  
Pauling Electropositivity
2.64  
25
2.04  
99+
Ionization Energies
  
  
1st Energy Level
604.50 kJ/mol  
99+
708.60 kJ/mol  
33
2nd Energy Level
1,128.00 kJ/mol  
99+
1,411.80 kJ/mol  
99+
3rd Energy Level
1,997.00 kJ/mol  
99+
2,943.00 kJ/mol  
30
4th Energy Level
3,242.00 kJ/mol  
99+
3,930.30 kJ/mol  
99+
5th Energy Level
6,180.00 kJ/mol  
99+
7,456.00 kJ/mol  
21
6th Energy Level
5,785.00 kJ/mol  
99+
7,080.00 kJ/mol  
99+
7th Energy level
6,040.00 kJ/mol  
99+
7,080.00 kJ/mol  
39
8th Energy Level
6,040.00 kJ/mol  
99+
7,080.00 kJ/mol  
35
9th Energy Level
6,180.00 kJ/mol  
99+
7,080.00 kJ/mol  
32
10th Energy Level
6,180.00 kJ/mol  
99+
7,080.00 kJ/mol  
36
11th Energy Level
6,180.00 kJ/mol  
99+
7,080.00 kJ/mol  
34
12th Energy Level
61,800.00 kJ/mol  
13
7,080.00 kJ/mol  
99+
13th Energy Level
6,180.00 kJ/mol  
40
7,080.00 kJ/mol  
31
14th Energy Level
6,180.00 kJ/mol  
29
708.60 kJ/mol  
99+
15th Energy Level
60,600.00 kJ/mol  
99+
70,800.00 kJ/mol  
27
16th Energy Level
60,420.00 kJ/mol  
31
70,800.00 kJ/mol  
22
17th Energy Level
604.00 kJ/mol  
99+
708.60 kJ/mol  
99+
18th Energy Level
6,040.00 kJ/mol  
99+
7,086.00 kJ/mol  
33
19th Energy Level
604.50 kJ/mol  
99+
708.60 kJ/mol  
39
20th Energy Level
604.00 kJ/mol  
99+
708.00 kJ/mol  
33
21st Energy Level
6,040.00 kJ/mol  
17
708.60 kJ/mol  
99+
22nd Energy Level
604.00 kJ/mol  
40
708.00 kJ/mol  
27
23rd Energy Level
6,040.00 kJ/mol  
18
708.60 kJ/mol  
99+
24th Energy Level
604.50 kJ/mol  
99+
708.60 kJ/mol  
26
25th Energy Level
604.00 kJ/mol  
99+
708.60 kJ/mol  
28
26th Energy Level
604.00 kJ/mol  
99+
708.60 kJ/mol  
27
27th Energy Level
604.00 kJ/mol  
99+
708.60 kJ/mol  
27
28th Energy Level
604.00 kJ/mol  
99+
708.60 kJ/mol  
32
29th Energy Level
604.00 kJ/mol  
99+
708.60 kJ/mol  
33
30th Energy Level
604.00 kJ/mol  
99+
708.60 kJ/mol  
27
Electrochemical Equivalent
1.77 g/amp-hr  
99+
1.11 g/amp-hr  
99+
Electron Work Function
4.90 eV  
12
4.42 eV  
22
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility  
Ionization, Solubility  
Atomic
Atomic Number
93  
25
50  
99+
Electron Configuration
[Rn] 5f4 6d1 7s2  
[Kr] 4d10 5s2 5p2  
Crystal Structure
Orthorhombic (ORTH)  
Tetragonal (TETR)  
Crystal Lattice
ORTH-Crystal-Structure-of-Neptunium.jpg#100  
TETR-Crystal-Structure-of-Tin.jpg#100  
Atom
  
  
Number of Protons
93  
25
50  
99+
Number of Neutrons
144  
15
69  
99+
Number of Electrons
93  
25
50  
99+
Radius of an Atom
  
  
Atomic Radius
155.00 pm  
32
140.00 pm  
40
Covalent Radius
190.00 pm  
18
139.00 pm  
99+
Van der Waals Radius
221.00 pm  
27
217.00 pm  
29
Atomic Weight
237.00 amu  
22
118.71 amu  
99+
Atomic Volume
11.62 cm3/mol  
99+
16.30 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Uranium
  
Indium
  
Next Element
Plutonium
  
Cesium
  
Valence Electron Potential
96.00 (-eV)  
9
83.50 (-eV)  
14
Lattice Constant
666.30 pm  
3
583.18 pm  
7
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  
Lattice C/A Ratio
1.43  
99+
0.68  
99+
Mechanical
Density
  
  
Density At Room Temperature
19.38 g/cm3  
14
7.37 g/cm3  
99+
Density When Liquid (at m.p.)
20.25 g/cm3  
10
6.99 g/cm3  
99+
Tensile Strength
125.00 MPa  
26
15.00 MPa  
99+
Viscosity
0.00  
25
0.00  
15
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
22
0.00 (Pa)  
18
Vapor Pressure at 2000 K
0.11 (Pa)  
17
0.00 (Pa)  
38
Elasticity properties
  
  
Shear Modulus
5.60 GPa  
99+
18.00 GPa  
99+
Bulk Modulus
180.00 GPa  
9
58.00 GPa  
21
Young's Modulus
46.00 GPa  
99+
50.00 GPa  
39
Poisson Ratio
0.26  
22
0.36  
8
Other Mechanical Properties
Ductile  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
20.25  
15
7.31  
99+
Magnetic Ordering
Paramagnetic  
Diamagnetic  
Permeability
0.00 H/m  
6
0.00 H/m  
17
Susceptibility
0.00  
24
0.00  
30
Electrical Properties
  
  
Electrical Property
Conductor  
Superconductor  
Resistivity
1.22 nΩ·m  
99+
115.00 nΩ·m  
28
Electrical Conductivity
0.01 106/cm Ω  
99+
0.09 106/cm Ω  
28
Electron Affinity
118.60 kJ/mol  
6
107.30 kJ/mol  
9
Thermal
Specific Heat
0.12 J/(kg K)  
99+
0.23 J/(kg K)  
28
Molar Heat Capacity
29.46 J/mol·K  
10
27.11 J/mol·K  
26
Thermal Conductivity
6.30 W/m·K  
99+
66.80 W/m·K  
25
Critical Temperature
913.00 K  
99+
505.00 K  
99+
Thermal Expansion
13.30 µm/(m·K)  
35
22.00 µm/(m·K)  
21
Enthalpy
  
  
Enthalpy of Vaporization
336.00 kJ/mol  
39
290.40 kJ/mol  
99+
Enthalpy of Fusion
3.20 kJ/mol  
99+
7.03 kJ/mol  
99+
Enthalpy of Atomization
275.30 kJ/mol  
99+
301.30 kJ/mol  
99+
Standard Molar Entropy
64.00 J/mol.K  
21
51.20 J/mol.K  
40
Summary >>
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Actinide Series

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