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Strontium Tin Comparison

Strontium
Tin
Tin Strontium comparison


Periodic Table
Symbol
Sr  
Sn  
Group Number
2  
16
14  
4
Period Number
5  
5  
Block
s block  
p block  
Element Family
Alkaline Earth  
Post-​Transition  
CAS Number
7440246  
99+
7440315  
99+
Space Group Name
Fm_ 3m  
I41/amd  
Space Group Number
225.00  
3
141.00  
10
Facts
Interesting Facts
  • Strontium element is softer than Calcium.
  • Silvery Strontium turns yellow, if exposed to air.
  
  • 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
Found in Minerals, Mining, Ores of Minerals  
Found in Minerals, Mining  
History
  
  
Who Discovered
William Cruickshank  
-  
Discovery
In 1787  
Before 3500 BC  
Abundance
  
  
Abundance In Universe
0.00 %  
15
0.00 %  
21
Abundance In Sun
0.00 %  
15
0.00 %  
19
Abundance In Meteorites
0.00 %  
15
0.00 %  
24
Abundance In Earth's Crust
0.04 %  
10
0.00 %  
34
Abundance In Oceans
0.00 %  
4
0.00 %  
26
Abundance In Humans
0.00 %  
8
0.00 %  
15
Uses
Uses & Benefits
  • Strontium metal is used to producing ferrite magnets as well as refining zinc.
  • By-product of nuclear reactors called Strontium-90 is a radioactive isotope; it is absorbed by tissues and destroys bone marrow and cancer growth.
  
  • 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
Ammunition Industry, Chemical Industry  
Automobile Industry, Chemical Industry, Food Industry  
Medical Uses
-  
Dentistry  
Other Uses
Alloys  
-  
Biological Properties
  
  
Toxicity
Non Toxic  
Non Toxic  
Present in Human Body
Yes  
Yes  
In Blood
0.03 Blood/mg dm-3  
19
0.38 Blood/mg dm-3  
10
In Bone
140.00 p.p.m.  
7
1.40 p.p.m.  
17
Physical
Melting Point
769.00 °C  
99+
231.90 °C  
99+
Boiling Point
1,384.00 °C  
99+
2,270.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery White  
Silvery White  
Luster
Metallic  
-  
Hardness
  
  
Mohs Hardness
1.50  
19
1.50  
19
Brinell Hardness
110.00 MPa  
99+
50.00 MPa  
99+
Vickers Hardness
15.00 MPa  
99+
50.00 MPa  
99+
Speed of Sound
4,170.00 m/s  
23
2,730.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.43  
39
2.40  
7
Reflectivity
65.00 %  
18
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
Sr  
Sn  
Isotopes
  
  
Known Isotopes
27  
12
35  
4
Electronegativity
  
  
Pauling Electronegativity
0.95  
99+
1.96  
9
Sanderson Electronegativity
0.72  
99+
1.49  
19
Allred Rochow Electronegativity
0.99  
38
1.72  
5
Mulliken-Jaffe Electronegativity
1.00  
99+
2.21  
5
Allen Electronegativity
0.96  
99+
1.82  
14
Electropositivity
  
  
Pauling Electropositivity
3.05  
7
2.04  
99+
Ionization Energies
  
  
1st Energy Level
549.50 kJ/mol  
99+
708.60 kJ/mol  
33
2nd Energy Level
1,064.20 kJ/mol  
99+
1,411.80 kJ/mol  
99+
3rd Energy Level
4,138.00 kJ/mol  
10
2,943.00 kJ/mol  
30
4th Energy Level
5,500.00 kJ/mol  
22
3,930.30 kJ/mol  
99+
5th Energy Level
6,910.00 kJ/mol  
30
7,456.00 kJ/mol  
21
6th Energy Level
8,760.00 kJ/mol  
26
7,080.00 kJ/mol  
99+
7th Energy level
10,230.00 kJ/mol  
19
7,080.00 kJ/mol  
39
8th Energy Level
11,800.00 kJ/mol  
19
7,080.00 kJ/mol  
35
9th Energy Level
15,600.00 kJ/mol  
17
7,080.00 kJ/mol  
32
10th Energy Level
17,100.00 kJ/mol  
19
7,080.00 kJ/mol  
36
11th Energy Level
31,270.00 kJ/mol  
6
7,080.00 kJ/mol  
34
12th Energy Level
5,490.00 kJ/mol  
99+
7,080.00 kJ/mol  
99+
13th Energy Level
5,490.00 kJ/mol  
99+
7,080.00 kJ/mol  
31
14th Energy Level
5,490.00 kJ/mol  
99+
708.60 kJ/mol  
99+
15th Energy Level
54,900.00 kJ/mol  
99+
70,800.00 kJ/mol  
27
16th Energy Level
54,900.00 kJ/mol  
99+
70,800.00 kJ/mol  
22
17th Energy Level
549.50 kJ/mol  
99+
708.60 kJ/mol  
99+
18th Energy Level
5,490.00 kJ/mol  
99+
7,086.00 kJ/mol  
33
19th Energy Level
549.50 kJ/mol  
99+
708.60 kJ/mol  
39
20th Energy Level
549.00 kJ/mol  
99+
708.00 kJ/mol  
33
21st Energy Level
549.50 kJ/mol  
99+
708.60 kJ/mol  
99+
22nd Energy Level
549.00 kJ/mol  
99+
708.00 kJ/mol  
27
23rd Energy Level
549.50 kJ/mol  
99+
708.60 kJ/mol  
99+
24th Energy Level
549.50 kJ/mol  
99+
708.60 kJ/mol  
26
25th Energy Level
549.00 kJ/mol  
99+
708.60 kJ/mol  
28
26th Energy Level
549.50 kJ/mol  
99+
708.60 kJ/mol  
27
27th Energy Level
549.50 kJ/mol  
99+
708.60 kJ/mol  
27
28th Energy Level
549.50 kJ/mol  
99+
708.60 kJ/mol  
32
29th Energy Level
549.50 kJ/mol  
99+
708.60 kJ/mol  
33
30th Energy Level
549.50 kJ/mol  
99+
708.60 kJ/mol  
27
Electrochemical Equivalent
1.64 g/amp-hr  
99+
1.11 g/amp-hr  
99+
Electron Work Function
2.59 eV  
99+
4.42 eV  
22
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility  
Ionization, Solubility  
Atomic
Atomic Number
38  
99+
50  
99+
Electron Configuration
[Kr] 5s2  
[Kr] 4d10 5s2 5p2  
Crystal Structure
Face Centered Cubic (FCC)  
Tetragonal (TETR)  
Crystal Lattice
FCC-Crystal-Structure-of-Strontium.jpg#100  
TETR-Crystal-Structure-of-Tin.jpg#100  
Atom
  
  
Number of Protons
38  
99+
50  
99+
Number of Neutrons
50  
99+
69  
99+
Number of Electrons
38  
99+
50  
99+
Radius of an Atom
  
  
Atomic Radius
215.00 pm  
6
140.00 pm  
40
Covalent Radius
195.00 pm  
15
139.00 pm  
99+
Van der Waals Radius
249.00 pm  
11
217.00 pm  
29
Atomic Weight
87.62 amu  
99+
118.71 amu  
99+
Atomic Volume
33.70 cm3/mol  
9
16.30 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Rubidium
  
Indium
  
Next Element
Yttrium
  
Cesium
  
Valence Electron Potential
25.70 (-eV)  
99+
83.50 (-eV)  
14
Lattice Constant
608.49 pm  
6
583.18 pm  
7
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  
Lattice C/A Ratio
1.57  
40
0.68  
99+
Mechanical
Density
  
  
Density At Room Temperature
2.64 g/cm3  
99+
7.37 g/cm3  
99+
Density When Liquid (at m.p.)
2.38 g/cm3  
99+
6.99 g/cm3  
99+
Tensile Strength
170.00 MPa  
21
15.00 MPa  
99+
Viscosity
0.00  
2
0.00  
15
Vapor Pressure
  
  
Vapor Pressure at 1000 K
121.00 (Pa)  
1
0.00 (Pa)  
18
Vapor Pressure at 2000 K
0.00 (Pa)  
38
0.00 (Pa)  
38
Elasticity properties
  
  
Shear Modulus
6.03 GPa  
99+
18.00 GPa  
99+
Bulk Modulus
11.00 GPa  
99+
58.00 GPa  
21
Young's Modulus
15.70 GPa  
99+
50.00 GPa  
39
Poisson Ratio
0.28  
17
0.36  
8
Other Mechanical Properties
-  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
2.64  
99+
7.31  
99+
Magnetic Ordering
Paramagnetic  
Diamagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
17
Susceptibility
0.00  
35
0.00  
30
Electrical Properties
  
  
Electrical Property
-  
Superconductor  
Resistivity
132.00 nΩ·m  
24
115.00 nΩ·m  
28
Electrical Conductivity
0.08 106/cm Ω  
31
0.09 106/cm Ω  
28
Electron Affinity
5.03 kJ/mol  
99+
107.30 kJ/mol  
9
Thermal
Specific Heat
0.30 J/(kg K)  
18
0.23 J/(kg K)  
28
Molar Heat Capacity
26.40 J/mol·K  
36
27.11 J/mol·K  
26
Thermal Conductivity
35.40 W/m·K  
38
66.80 W/m·K  
25
Critical Temperature
1,050.00 K  
99+
505.00 K  
99+
Thermal Expansion
22.50 µm/(m·K)  
19
22.00 µm/(m·K)  
21
Enthalpy
  
  
Enthalpy of Vaporization
150.00 kJ/mol  
99+
290.40 kJ/mol  
99+
Enthalpy of Fusion
9.16 kJ/mol  
99+
7.03 kJ/mol  
99+
Enthalpy of Atomization
163.20 kJ/mol  
99+
301.30 kJ/mol  
99+
Standard Molar Entropy
55.00 J/mol.K  
34
51.20 J/mol.K  
40
Summary >>
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