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Tin vs Strontium

Tin
Strontium
Strontium vs Tin


Periodic Table
Symbol
Sn  
Sr  
Group Number
14  
4
2  
16
Period Number
5  
5  
Block
p block  
s block  
Element Family
Post-​Transition  
Alkaline Earth  
CAS Number
7440315  
99+
7440246  
99+
Space Group Name
I41/amd  
Fm_ 3m  
Space Group Number
141.00  
10
225.00  
3
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.
  
  • Strontium element is softer than Calcium.
  • Silvery Strontium turns yellow, if exposed to air.
  
Sources
Found in Minerals, Mining  
Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
-  
William Cruickshank  
Discovery
Before 3500 BC  
In 1787  
Abundance
  
  
Abundance In Universe
0.00 %  
21
0.00 %  
15
Abundance In Sun
0.00 %  
19
0.00 %  
15
Abundance In Meteorites
0.00 %  
24
0.00 %  
15
Abundance In Earth's Crust
0.00 %  
34
0.04 %  
10
Abundance In Oceans
0.00 %  
26
0.00 %  
4
Abundance In Humans
0.00 %  
15
0.00 %  
8
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.
  
  • 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.
  
Industrial Uses
Automobile Industry, Chemical Industry, Food Industry  
Ammunition Industry, Chemical Industry  
Medical Uses
Dentistry  
-  
Other Uses
-  
Alloys  
Biological Properties
  
  
Toxicity
Non Toxic  
Non Toxic  
Present in Human Body
Yes  
Yes  
In Blood
0.38 Blood/mg dm-3  
10
0.03 Blood/mg dm-3  
19
In Bone
1.40 p.p.m.  
17
140.00 p.p.m.  
7
Physical
Melting Point
231.90 °C  
99+
769.00 °C  
99+
Boiling Point
2,270.00 °C  
99+
1,384.00 °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
50.00 MPa  
99+
110.00 MPa  
99+
Vickers Hardness
50.00 MPa  
99+
15.00 MPa  
99+
Speed of Sound
2,730.00 m/s  
99+
4,170.00 m/s  
23
Optical Properties
  
  
Refractive Index
2.40  
7
1.43  
39
Reflectivity
51.00 %  
30
65.00 %  
18
Allotropes
Yes  
No  
α Allotropes
Grey Tin (alpha Tin, Tin Pest)  
-  
β Allotropes
White Tin (Beta Tin)  
-  
γ Allotropes
Rhombic Tin (gamma Tin)  
-  
Chemical
Chemical Formula
Sn  
Sr  
Isotopes
  
  
Known Isotopes
35  
4
27  
12
Electronegativity
  
  
Pauling Electronegativity
1.96  
9
0.95  
99+
Sanderson Electronegativity
1.49  
19
0.72  
99+
Allred Rochow Electronegativity
1.72  
5
0.99  
38
Mulliken-Jaffe Electronegativity
2.21  
5
1.00  
99+
Allen Electronegativity
1.82  
14
0.96  
99+
Electropositivity
  
  
Pauling Electropositivity
2.04  
99+
3.05  
7
Ionization Energies
  
  
1st Energy Level
708.60 kJ/mol  
33
549.50 kJ/mol  
99+
2nd Energy Level
1,411.80 kJ/mol  
99+
1,064.20 kJ/mol  
99+
3rd Energy Level
2,943.00 kJ/mol  
30
4,138.00 kJ/mol  
10
4th Energy Level
3,930.30 kJ/mol  
99+
5,500.00 kJ/mol  
22
5th Energy Level
7,456.00 kJ/mol  
21
6,910.00 kJ/mol  
30
6th Energy Level
7,080.00 kJ/mol  
99+
8,760.00 kJ/mol  
26
7th Energy level
7,080.00 kJ/mol  
39
10,230.00 kJ/mol  
19
8th Energy Level
7,080.00 kJ/mol  
35
11,800.00 kJ/mol  
19
9th Energy Level
7,080.00 kJ/mol  
32
15,600.00 kJ/mol  
17
10th Energy Level
7,080.00 kJ/mol  
36
17,100.00 kJ/mol  
19
11th Energy Level
7,080.00 kJ/mol  
34
31,270.00 kJ/mol  
6
12th Energy Level
7,080.00 kJ/mol  
99+
5,490.00 kJ/mol  
99+
13th Energy Level
7,080.00 kJ/mol  
31
5,490.00 kJ/mol  
99+
14th Energy Level
708.60 kJ/mol  
99+
5,490.00 kJ/mol  
99+
15th Energy Level
70,800.00 kJ/mol  
27
54,900.00 kJ/mol  
99+
16th Energy Level
70,800.00 kJ/mol  
22
54,900.00 kJ/mol  
99+
17th Energy Level
708.60 kJ/mol  
99+
549.50 kJ/mol  
99+
18th Energy Level
7,086.00 kJ/mol  
33
5,490.00 kJ/mol  
99+
19th Energy Level
708.60 kJ/mol  
39
549.50 kJ/mol  
99+
20th Energy Level
708.00 kJ/mol  
33
549.00 kJ/mol  
99+
21st Energy Level
708.60 kJ/mol  
99+
549.50 kJ/mol  
99+
22nd Energy Level
708.00 kJ/mol  
27
549.00 kJ/mol  
99+
23rd Energy Level
708.60 kJ/mol  
99+
549.50 kJ/mol  
99+
24th Energy Level
708.60 kJ/mol  
26
549.50 kJ/mol  
99+
25th Energy Level
708.60 kJ/mol  
28
549.00 kJ/mol  
99+
26th Energy Level
708.60 kJ/mol  
27
549.50 kJ/mol  
99+
27th Energy Level
708.60 kJ/mol  
27
549.50 kJ/mol  
99+
28th Energy Level
708.60 kJ/mol  
32
549.50 kJ/mol  
99+
29th Energy Level
708.60 kJ/mol  
33
549.50 kJ/mol  
99+
30th Energy Level
708.60 kJ/mol  
27
549.50 kJ/mol  
99+
Electrochemical Equivalent
1.11 g/amp-hr  
99+
1.64 g/amp-hr  
99+
Electron Work Function
4.42 eV  
22
2.59 eV  
99+
Other Chemical Properties
Ionization, Solubility  
Ionization, Radioactive Isotopes, Radioactivity, Solubility  
Atomic
Atomic Number
50  
99+
38  
99+
Electron Configuration
[Kr] 4d10 5s2 5p2  
[Kr] 5s2  
Crystal Structure
Tetragonal (TETR)  
Face Centered Cubic (FCC)  
Crystal Lattice
TETR-Crystal-Structure-of-Tin.jpg#100  
FCC-Crystal-Structure-of-Strontium.jpg#100  
Atom
  
  
Number of Protons
50  
99+
38  
99+
Number of Neutrons
69  
99+
50  
99+
Number of Electrons
50  
99+
38  
99+
Radius of an Atom
  
  
Atomic Radius
140.00 pm  
40
215.00 pm  
6
Covalent Radius
139.00 pm  
99+
195.00 pm  
15
Van der Waals Radius
217.00 pm  
29
249.00 pm  
11
Atomic Weight
118.71 amu  
99+
87.62 amu  
99+
Atomic Volume
16.30 cm3/mol  
99+
33.70 cm3/mol  
9
Adjacent Atomic Numbers
  
  
Previous Element
Indium
  
Rubidium
  
Next Element
Cesium
  
Yttrium
  
Valence Electron Potential
83.50 (-eV)  
14
25.70 (-eV)  
99+
Lattice Constant
583.18 pm  
7
608.49 pm  
6
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  
Lattice C/A Ratio
0.68  
99+
1.57  
40
Mechanical
Density
  
  
Density At Room Temperature
7.37 g/cm3  
99+
2.64 g/cm3  
99+
Density When Liquid (at m.p.)
6.99 g/cm3  
99+
2.38 g/cm3  
99+
Tensile Strength
15.00 MPa  
99+
170.00 MPa  
21
Viscosity
0.00  
15
0.00  
2
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
18
121.00 (Pa)  
1
Vapor Pressure at 2000 K
0.00 (Pa)  
38
0.00 (Pa)  
38
Elasticity properties
  
  
Shear Modulus
18.00 GPa  
99+
6.03 GPa  
99+
Bulk Modulus
58.00 GPa  
21
11.00 GPa  
99+
Young's Modulus
50.00 GPa  
39
15.70 GPa  
99+
Poisson Ratio
0.36  
8
0.28  
17
Other Mechanical Properties
Ductile, Malleable  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
7.31  
99+
2.64  
99+
Magnetic Ordering
Diamagnetic  
Paramagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
17
Susceptibility
0.00  
30
0.00  
35
Electrical Properties
  
  
Electrical Property
Superconductor  
-  
Resistivity
115.00 nΩ·m  
28
132.00 nΩ·m  
24
Electrical Conductivity
0.09 106/cm Ω  
28
0.08 106/cm Ω  
31
Electron Affinity
107.30 kJ/mol  
9
5.03 kJ/mol  
99+
Thermal
Specific Heat
0.23 J/(kg K)  
28
0.30 J/(kg K)  
18
Molar Heat Capacity
27.11 J/mol·K  
26
26.40 J/mol·K  
36
Thermal Conductivity
66.80 W/m·K  
25
35.40 W/m·K  
38
Critical Temperature
505.00 K  
99+
1,050.00 K  
99+
Thermal Expansion
22.00 µm/(m·K)  
21
22.50 µm/(m·K)  
19
Enthalpy
  
  
Enthalpy of Vaporization
290.40 kJ/mol  
99+
150.00 kJ/mol  
99+
Enthalpy of Fusion
7.03 kJ/mol  
99+
9.16 kJ/mol  
99+
Enthalpy of Atomization
301.30 kJ/mol  
99+
163.20 kJ/mol  
99+
Standard Molar Entropy
51.20 J/mol.K  
40
55.00 J/mol.K  
34
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