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Radium vs Tin

Radium
Tin
Tin vs Radium


Periodic Table
Symbol
Ra  
Sn  
Group Number
2  
16
14  
4
Period Number
7  
5  
Block
s block  
p block  
Element Family
Alkaline Earth  
Post-​Transition  
CAS Number
7440144  
99+
7440315  
99+
Space Group Name
Im_ 3m  
I41/amd  
Space Group Number
229.00  
2
141.00  
10
Facts
Interesting Facts
  • Radium metal is the heaviest metal of Alkaline earth metals column.
  • Radium metal is highly radioactive and does not have any stable isotopes.
  
  • 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
Mining, Ores of metals  
Found in Minerals, Mining  
History
  
  
Who Discovered
-  
-  
Discovery
In 1898  
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 %  
24
Abundance In Earth's Crust
0.00 %  
99+
0.00 %  
34
Abundance In Oceans
0.00 %  
99+
0.00 %  
26
Abundance In Humans
0.00 %  
23
0.00 %  
15
Uses
Uses & Benefits
  • It is a highly radioactive metal; and sometime Radium-223 is used to treat prostate cancer.
  • It is used in luminous paints.
  
  • 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
Pharmaceutical Industry  
Dentistry  
Other Uses
-  
-  
Biological Properties
  
  
Toxicity
Highly Toxic  
Non Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
34
0.38 Blood/mg dm-3  
10
In Bone
0.00 p.p.m.  
99+
1.40 p.p.m.  
17
Physical
Melting Point
700.00 °C  
99+
231.90 °C  
99+
Boiling Point
1,737.00 °C  
99+
2,270.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery White  
Silvery White  
Luster
Metallic  
-  
Hardness
  
  
Mohs Hardness
1.00  
22
1.50  
19
Brinell Hardness
700.00 MPa  
17
50.00 MPa  
99+
Vickers Hardness
140.00 MPa  
99+
50.00 MPa  
99+
Speed of Sound
3,150.00 m/s  
37
2,730.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.00  
99+
2.40  
7
Reflectivity
83.00 %  
6
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
Ra  
Sn  
Isotopes
  
  
Known Isotopes
33  
6
35  
4
Electronegativity
  
  
Pauling Electronegativity
0.90  
99+
1.96  
9
Sanderson Electronegativity
0.89  
99+
1.49  
19
Allred Rochow Electronegativity
0.97  
39
1.72  
5
Mulliken-Jaffe Electronegativity
0.92  
99+
2.21  
5
Allen Electronegativity
0.89  
99+
1.82  
14
Electropositivity
  
  
Pauling Electropositivity
3.10  
5
2.04  
99+
Ionization Energies
  
  
1st Energy Level
509.30 kJ/mol  
99+
708.60 kJ/mol  
33
2nd Energy Level
979.00 kJ/mol  
99+
1,411.80 kJ/mol  
99+
3rd Energy Level
509.30 kJ/mol  
99+
2,943.00 kJ/mol  
30
4th Energy Level
5,093.00 kJ/mol  
27
3,930.30 kJ/mol  
99+
5th Energy Level
5,090.00 kJ/mol  
99+
7,456.00 kJ/mol  
21
6th Energy Level
5,090.00 kJ/mol  
99+
7,080.00 kJ/mol  
99+
7th Energy level
5,090.00 kJ/mol  
99+
7,080.00 kJ/mol  
39
8th Energy Level
5,090.00 kJ/mol  
99+
7,080.00 kJ/mol  
35
9th Energy Level
5,090.00 kJ/mol  
99+
7,080.00 kJ/mol  
32
10th Energy Level
5,090.00 kJ/mol  
99+
7,080.00 kJ/mol  
36
11th Energy Level
5,090.00 kJ/mol  
99+
7,080.00 kJ/mol  
34
12th Energy Level
5,090.00 kJ/mol  
99+
7,080.00 kJ/mol  
99+
13th Energy Level
5,090.00 kJ/mol  
99+
7,080.00 kJ/mol  
31
14th Energy Level
5,090.00 kJ/mol  
99+
708.60 kJ/mol  
99+
15th Energy Level
50,900.00 kJ/mol  
99+
70,800.00 kJ/mol  
27
16th Energy Level
50,900.00 kJ/mol  
99+
70,800.00 kJ/mol  
22
17th Energy Level
509.30 kJ/mol  
99+
708.60 kJ/mol  
99+
18th Energy Level
5,090.00 kJ/mol  
99+
7,086.00 kJ/mol  
33
19th Energy Level
509.30 kJ/mol  
99+
708.60 kJ/mol  
39
20th Energy Level
509.00 kJ/mol  
99+
708.00 kJ/mol  
33
21st Energy Level
509.30 kJ/mol  
99+
708.60 kJ/mol  
99+
22nd Energy Level
509.00 kJ/mol  
99+
708.00 kJ/mol  
27
23rd Energy Level
509.30 kJ/mol  
99+
708.60 kJ/mol  
99+
24th Energy Level
509.30 kJ/mol  
99+
708.60 kJ/mol  
26
25th Energy Level
509.00 kJ/mol  
99+
708.60 kJ/mol  
28
26th Energy Level
509.30 kJ/mol  
99+
708.60 kJ/mol  
27
27th Energy Level
509.30 kJ/mol  
99+
708.60 kJ/mol  
27
28th Energy Level
509.30 kJ/mol  
99+
708.60 kJ/mol  
32
29th Energy Level
509.30 kJ/mol  
99+
708.60 kJ/mol  
33
30th Energy Level
509.00 kJ/mol  
99+
708.60 kJ/mol  
27
Electrochemical Equivalent
4.22 g/amp-hr  
6
1.11 g/amp-hr  
99+
Electron Work Function
4.30 eV  
25
4.42 eV  
22
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Ionization, Solubility  
Atomic
Atomic Number
88  
30
50  
99+
Electron Configuration
[Rn] 7s2  
[Kr] 4d10 5s2 5p2  
Crystal Structure
Body Centered Cubic (BCC)  
Tetragonal (TETR)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
TETR-Crystal-Structure-of-Tin.jpg#100  
Atom
  
  
Number of Protons
88  
30
50  
99+
Number of Neutrons
138  
17
69  
99+
Number of Electrons
88  
30
50  
99+
Radius of an Atom
  
  
Atomic Radius
215.00 pm  
6
140.00 pm  
40
Covalent Radius
221.00 pm  
3
139.00 pm  
99+
Van der Waals Radius
283.00 pm  
5
217.00 pm  
29
Atomic Weight
226.00 amu  
26
118.71 amu  
99+
Atomic Volume
45.20 cm3/mol  
5
16.30 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Francium
  
Indium
  
Next Element
Actinium
  
Cesium
  
Valence Electron Potential
20.10 (-eV)  
99+
83.50 (-eV)  
14
Lattice Constant
514.80 pm  
15
583.18 pm  
7
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  
Lattice C/A Ratio
1.57  
99+
0.68  
99+
Mechanical
Density
  
  
Density At Room Temperature
5.50 g/cm3  
99+
7.37 g/cm3  
99+
Density When Liquid (at m.p.)
5.50 g/cm3  
99+
6.99 g/cm3  
99+
Tensile Strength
40.00 MPa  
99+
15.00 MPa  
99+
Viscosity
0.00  
2
0.00  
15
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
16
0.00 (Pa)  
18
Vapor Pressure at 2000 K
0.00 (Pa)  
33
0.00 (Pa)  
38
Elasticity properties
  
  
Shear Modulus
25.00 GPa  
38
18.00 GPa  
99+
Bulk Modulus
43.00 GPa  
33
58.00 GPa  
21
Young's Modulus
83.00 GPa  
25
50.00 GPa  
39
Poisson Ratio
0.31  
13
0.36  
8
Other Mechanical Properties
-  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
5.00  
99+
7.31  
99+
Magnetic Ordering
Nonmagnetic  
Diamagnetic  
Permeability
0.00 H/m  
9
0.00 H/m  
17
Susceptibility
0.00  
18
0.00  
30
Electrical Properties
  
  
Electrical Property
-  
Superconductor  
Resistivity
100.00 nΩ·m  
31
115.00 nΩ·m  
28
Electrical Conductivity
0.00 106/cm Ω  
99+
0.09 106/cm Ω  
28
Electron Affinity
0.90 kJ/mol  
99+
107.30 kJ/mol  
9
Thermal
Specific Heat
0.12 J/(kg K)  
99+
0.23 J/(kg K)  
28
Molar Heat Capacity
20.05 J/mol·K  
99+
27.11 J/mol·K  
26
Thermal Conductivity
18.60 W/m·K  
99+
66.80 W/m·K  
25
Critical Temperature
973.00 K  
99+
505.00 K  
99+
Thermal Expansion
8.50 µm/(m·K)  
99+
22.00 µm/(m·K)  
21
Enthalpy
  
  
Enthalpy of Vaporization
113.00 kJ/mol  
99+
290.40 kJ/mol  
99+
Enthalpy of Fusion
8.60 kJ/mol  
99+
7.03 kJ/mol  
99+
Enthalpy of Atomization
163.00 kJ/mol  
99+
301.30 kJ/mol  
99+
Standard Molar Entropy
71.00 J/mol.K  
14
51.20 J/mol.K  
40
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