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Curium vs Tin


Tin
Tin vs Curium


Periodic Table

Symbol
Cm   
Sn   

Group Number
Not Available   
14   
4

Period Number
7   
5   

Block
f block   
p block   

Element Family
Actinide   
Post-​Transition   

CAS Number
7440519   
36
7440315   
99+

Space Group Name
Not Available   
I41/amd   

Space Group Number
Not Available   
141.00   
7

Facts

Interesting Facts
  • Curium metal does not occur free in nature.
  • Curium metal is a synthetically produced metal.
  
  • 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
Bombarding Plutonium with Helium Ions   
Found in Minerals, Mining   

History
  
  

Who Discovered
Glenn T. Seaborg, Ralph A. James, Albert Ghiorso   
Unknown   

Discovery
In 1944   
Before 3500 BC   

Abundance
  
  

Abundance In Universe
Not Available   
4 * 10-7 %   
20

Abundance In Sun
~-9999 %   
~0.0000009 %   
19

Abundance In Meteorites
Not Available   
0.00 %   
24

Abundance In Earth's Crust
Not Available   
0.00 %   
34

Abundance In Oceans
Not Available   
0.00 %   
26

Abundance In Humans
Not Available   
0.00 %   
13

Uses

Uses & Benefits
  • Curium metal is used to provide power to electrical equipment for space missions.
  
  • 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
NA   
Automobile Industry, Chemical Industry, Food Industry   

Medical Uses
NA   
Dentistry   

Other Uses
Research Purposes   
NA   

Biological Properties
  
  

Toxicity
Unknown   
Non Toxic   

Present in Human Body
No   
Yes   

In Blood
0.00 Blood/mg dm-3   
37
0.38 Blood/mg dm-3   
10

In Bone
0.00 p.p.m.   
36
1.40 p.p.m.   
16

Physical Properties

Melting Point
1,340.00 °C   
34
231.90 °C   
99+

Boiling Point
3,110.00 °C   
30
2,270.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silver   
Silvery White   

Luster
Metallic   
NA   

Hardness
  
  

Mohs Hardness
Not Available   
1.50   
18

Brinell Hardness
Not Available   
50.00 MPa   
99+

Speed of Sound
Not Available   
2,730.00 m/s   
32

Optical Properties
  
  

Allotropes
No   
Yes   

α Allotropes
Not Available   
Grey Tin (alpha Tin, Tin Pest)   

β Allotropes
Not Available   
White Tin (Beta Tin)   

γ Allotropes
Not Available   
Rhombic Tin (gamma Tin)   

Chemical Properties

Chemical Formula
Cm   
Sn   

Isotopes
  
  

Known Isotopes
15   
24
35   
4

Electronegativity
  
  

Pauling Electronegativity
1.30   
32
1.96   
8

Sanderson Electronegativity
Not Available   
1.49   
15

Allred Rochow Electronegativity
1.20   
27
1.72   
4

Mulliken-Jaffe Electronegativity
Not Available   
2.21   
3

Allen Electronegativity
Not Available   
1.82   
11

Electropositivity
  
  

Pauling Electropositivity
2.70   
22
2.04   
99+

Ionization Energies
  
  

1st Energy Level
581.00 kJ/mol   
99+
708.60 kJ/mol   
33

2nd Energy Level
1,196.00 kJ/mol   
99+
1,411.80 kJ/mol   
99+

3rd Energy Level
2,026.00 kJ/mol   
99+
2,943.00 kJ/mol   
30

4th Energy Level
3,550.00 kJ/mol   
99+
3,930.30 kJ/mol   
99+

5th Energy Level
Not Available   
7,456.00 kJ/mol   
13

Electrochemical Equivalent
3.07 g/amp-hr   
16
1.11 g/amp-hr   
99+

Electron Work Function
Not Available   
4.42 eV   
16

Other Chemical Properties
Ionization, Radioactive Isotopes   
Ionization, Solubility   

Atomic Properties

Atomic Number
96   
22
50   
99+

Electron Configuration
[Rn] 5f7 6d1 7s2   
[Kr] 4d10 5s2 5p2   

Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Tetragonal (TETR)   

Crystal Lattice
DHCP-Crystal-Structure-of-Curium.jpg#100   
TETR-Crystal-Structure-of-Tin.jpg#100   

Atom
  
  

Number of Protons
96   
22
50   
99+

Number of Neutrons
151   
10
69   
99+

Number of Electrons
96   
22
50   
99+

Radius of an Atom
  
  

Atomic Radius
174.00 pm   
20
140.00 pm   
38

Covalent Radius
169.00 pm   
26
139.00 pm   
99+

Van der Waals Radius
200.00 pm   
28
217.00 pm   
23

Atomic Weight
247.00 amu   
18
118.71 amu   
99+

Atomic Volume
18.28 cm3/mol   
26
16.30 cm3/mol   
32

Adjacent Atomic Numbers
  
  

Previous Element
Americium
  
Indium
  

Next Element
Berkelium
  
Cesium
  

Valence Electron Potential
44.50 (-eV)   
38
83.50 (-eV)   
14

Lattice Constant
Not Available   
583.18 pm   
7

Lattice Angles
NA   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
Not Available   

Mechanical Properties

Density
  
  

Density At Room Temperature
13.51 g/cm3   
25
7.37 g/cm3   
99+

Density When Liquid (at m.p.)
13.85 g/cm3   
10
6.99 g/cm3   
34

Tensile Strength
Not Available   
Not Available   

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Vapor Pressure at 1000 K
Not Available   
0.00 (Pa)   
17

Elasticity properties
  
  

Shear Modulus
Not Available   
18.00 GPa   
36

Bulk Modulus
Not Available   
58.00 GPa   
20

Young's Modulus
Not Available   
50.00 GPa   
36

Poisson Ratio
Not Available   
0.36   
8

Other Mechanical Properties
Unknown   
Ductile, Malleable   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
13.51   
17
7.31   
99+

Magnetic Ordering
Antiferromagnetic   
Diamagnetic   

Electrical Properties
  
  

Electrical Property
Unknown   
Superconductor   

Resistivity
1.25 nΩ·m   
99+
115.00 nΩ·m   
28

Electrical Conductivity
Not Available   
0.09 106/cm Ω   
23

Electron Affinity
Not Available   
107.30 kJ/mol   
8

Thermal Properties

Specific Heat
Not Available   
0.23 J/(kg K)   
28

Molar Heat Capacity
Not Available   
27.11 J/mol·K   
20

Thermal Conductivity
Not Available   
66.80 W/m·K   
25

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
Not Available   
22.00 µm/(m·K)   
20

Enthalpy
  
  

Enthalpy of Vaporization
Not Available   
290.40 kJ/mol   
32

Enthalpy of Fusion
15.00 kJ/mol   
21
7.03 kJ/mol   
99+

Enthalpy of Atomization
Not Available   
301.30 kJ/mol   
35

Standard Molar Entropy
Not Available   
51.20 J/mol.K   
29

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