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Tin vs Radium

Tin
Radium
Radium vs Tin


Periodic Table
Symbol
Sn  
Ra  
Group Number
14  
4
2  
16
Period Number
5  
7  
Block
p block  
s block  
Element Family
Post-​Transition  
Alkaline Earth  
CAS Number
7440315  
99+
7440144  
99+
Space Group Name
I41/amd  
Im_ 3m  
Space Group Number
141.00  
7
229.00  
1
Facts
Interesting Facts
  • 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.
  
  • Radium metal is the heaviest metal of Alkaline earth metals column.
  • Radium metal is highly radioactive and does not have any stable isotopes.
  
Sources
Found in Minerals, Mining  
Mining, Ores of metals  
History
  
  
Who Discovered
Unknown  
Not Available  
Discovery
Before 3500 BC  
In 1898  
Abundance
  
  
Abundance In Universe
4 * 10-7 %  
20
Not Available  
Abundance In Sun
~0.0000009 %  
19
~-9999 %  
Abundance In Meteorites
0.00 %  
24
Not Available  
Abundance In Earth's Crust
0.00 %  
34
0.00 %  
99+
Abundance In Oceans
0.00 %  
26
0.00 %  
99+
Abundance In Humans
0.00 %  
13
0.00 %  
20
Uses
Uses & Benefits
  • 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.
  
  • It is a highly radioactive metal; and sometime Radium-223 is used to treat prostate cancer.
  • It is used in luminous paints.
  
Industrial Uses
Automobile Industry, Chemical Industry, Food Industry  
NA  
Medical Uses
Dentistry  
Pharmaceutical Industry  
Other Uses
NA  
NA  
Biological Properties
  
  
Toxicity
Non Toxic  
Highly Toxic  
Present in Human Body
Yes  
No  
In Blood
0.38 Blood/mg dm-3  
10
Not Available  
In Bone
1.40 p.p.m.  
16
Not Available  
Physical Properties
Melting Point
231.90 °C  
99+
700.00 °C  
99+
Boiling Point
2,270.00 °C  
99+
1,737.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery White  
Silvery White  
Luster
NA  
Metallic  
Hardness
  
  
Mohs Hardness
1.50  
18
Not Available  
Brinell Hardness
50.00 MPa  
99+
Not Available  
Speed of Sound
2,730.00 m/s  
32
Not Available  
Optical Properties
  
  
Allotropes
Yes  
No  
α Allotropes
Grey Tin (alpha Tin, Tin Pest)  
Not Available  
β Allotropes
White Tin (Beta Tin)  
Not Available  
γ Allotropes
Rhombic Tin (gamma Tin)  
Not Available  
Chemical Properties
Chemical Formula
Sn  
Ra  
Isotopes
  
  
Known Isotopes
35  
4
33  
6
Electronegativity
  
  
Pauling Electronegativity
1.96  
8
0.90  
99+
Sanderson Electronegativity
1.49  
15
Not Available  
Allred Rochow Electronegativity
1.72  
4
0.97  
38
Mulliken-Jaffe Electronegativity
2.21  
3
0.92  
20
Allen Electronegativity
1.82  
11
0.89  
99+
Electropositivity
  
  
Pauling Electropositivity
2.04  
99+
3.10  
5
Ionization Energies
  
  
1st Energy Level
708.60 kJ/mol  
33
509.30 kJ/mol  
99+
2nd Energy Level
1,411.80 kJ/mol  
99+
979.00 kJ/mol  
99+
3rd Energy Level
2,943.00 kJ/mol  
30
Not Available  
4th Energy Level
3,930.30 kJ/mol  
99+
Not Available  
5th Energy Level
7,456.00 kJ/mol  
13
Not Available  
Electrochemical Equivalent
1.11 g/amp-hr  
99+
4.22 g/amp-hr  
6
Electron Work Function
4.42 eV  
16
Not Available  
Other Chemical Properties
Ionization, Solubility  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic Properties
Atomic Number
50  
99+
88  
30
Electron Configuration
[Kr] 4d10 5s2 5p2  
[Rn] 7s2  
Crystal Structure
Tetragonal (TETR)  
Body Centered Cubic (BCC)  
Crystal Lattice
TETR-Crystal-Structure-of-Tin.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
50  
99+
88  
30
Number of Neutrons
69  
99+
138  
16
Number of Electrons
50  
99+
88  
30
Radius of an Atom
  
  
Atomic Radius
140.00 pm  
38
Not Available  
Covalent Radius
139.00 pm  
99+
221.00 pm  
3
Van der Waals Radius
217.00 pm  
23
283.00 pm  
4
Atomic Weight
118.71 amu  
99+
226.00 amu  
26
Atomic Volume
16.30 cm3/mol  
32
45.20 cm3/mol  
4
Adjacent Atomic Numbers
  
  
Previous Element
Indium
  
Francium
  
Next Element
Cesium
  
Actinium
  
Valence Electron Potential
83.50 (-eV)  
14
20.10 (-eV)  
99+
Lattice Constant
583.18 pm  
7
514.80 pm  
13
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  
Lattice C/A Ratio
Not Available  
Not Available  
Mechanical Properties
Density
  
  
Density At Room Temperature
7.37 g/cm3  
99+
5.50 g/cm3  
99+
Density When Liquid (at m.p.)
6.99 g/cm3  
34
Not Available  
Tensile Strength
Not Available  
Not Available  
Viscosity
Not Available  
Not Available  
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
17
Not Available  
Elasticity properties
  
  
Shear Modulus
18.00 GPa  
36
Not Available  
Bulk Modulus
58.00 GPa  
20
Not Available  
Young's Modulus
50.00 GPa  
36
Not Available  
Poisson Ratio
0.36  
8
Not Available  
Other Mechanical Properties
Ductile, Malleable  
NA  
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
7.31  
99+
5.00  
99+
Magnetic Ordering
Diamagnetic  
Nonmagnetic  
Electrical Properties
  
  
Electrical Property
Superconductor  
NA  
Resistivity
115.00 nΩ·m  
28
100.00 nΩ·m  
31
Electrical Conductivity
0.09 106/cm Ω  
23
Not Available  
Electron Affinity
107.30 kJ/mol  
8
Not Available  
Thermal Properties
Specific Heat
0.23 J/(kg K)  
28
0.12 J/(kg K)  
40
Molar Heat Capacity
27.11 J/mol·K  
20
Not Available  
Thermal Conductivity
66.80 W/m·K  
25
18.60 W/m·K  
99+
Critical Temperature
Not Available  
Not Available  
Thermal Expansion
22.00 µm/(m·K)  
20
Not Available  
Enthalpy
  
  
Enthalpy of Vaporization
290.40 kJ/mol  
32
Not Available  
Enthalpy of Fusion
7.03 kJ/mol  
99+
Not Available  
Enthalpy of Atomization
301.30 kJ/mol  
35
163.00 kJ/mol  
99+
Standard Molar Entropy
51.20 J/mol.K  
29
71.00 J/mol.K  
14
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