Symbol
Mg
  
Sn
  
Period Number
3
  
5
  
Block
s block
  
p block
  
Element Family
Alkaline Earth
  
Post-Transition
  
Space Group Name
P63/mmc
  
I41/amd
  
Interesting Facts
- Magnesium ions are present in every chlorophyll of every green plant .
- Controlling Magnesium fire by pouring water on it will result in explosions.
  
- 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
By Electrolysis Process, In Ocean, Mining
  
Found in Minerals, Mining
  
History
  
  
Who Discovered
Joseph Black
  
Unknown
  
Discovery
In 1755
  
Before 3500 BC
  
Abundance
  
  
Abundance In Sun
~0.0000009 %
  
19
Abundance In Earth's Crust
Uses & Benefits
- Magnesium aluminum alloy improves the mechanical strength and welding characteristics and hence it is used in aeroplane and car manufacturing.
-
It is also used to remove sulfur from the molten iron and steel.
  
- 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
Aerospace Industry, Ammunition Industry, Automobile Industry, Chemical Industry, Pharmaceutical Industry
  
Automobile Industry, Chemical Industry, Food Industry
  
Medical Uses
NA
  
Dentistry
  
Other Uses
Surgical Instruments Manufacturing
  
NA
  
Biological Properties
  
  
Toxicity
Non Toxic
  
Non Toxic
  
Present in Human Body
Yes
  
Yes
  
In Blood
37.80 Blood/mg dm-3
  
5
0.38 Blood/mg dm-3
  
10
In Bone
1,800.00 p.p.m.
  
4
1.40 p.p.m.
  
16
Boiling Point
1,107.00 °C
  
99+
2,270.00 °C
  
99+
Appearance
  
  
Physical State
Solid
  
Solid
  
Color
Gray
  
Silvery White
  
Luster
NA
  
NA
  
Hardness
  
  
Speed of Sound
4,940.00 m/s
  
11
2,730.00 m/s
  
32
Optical Properties
  
  
Reflectivity
Not Available
  
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 Formula
Mg
  
Sn
  
Isotopes
  
  
Electronegativity
  
  
Pauling Electronegativity
Sanderson Electronegativity
Allred Rochow Electronegativity
Mulliken-Jaffe Electronegativity
Electropositivity
  
  
Pauling Electropositivity
Ionization Energies
  
  
1st Energy Level
737.70 kJ/mol
  
24
708.60 kJ/mol
  
33
2nd Energy Level
1,450.70 kJ/mol
  
99+
1,411.80 kJ/mol
  
99+
3rd Energy Level
7,732.70 kJ/mol
  
5
2,943.00 kJ/mol
  
30
4th Energy Level
10,542.50 kJ/mol
  
4
3,930.30 kJ/mol
  
99+
5th Energy Level
13,630.00 kJ/mol
  
3
7,456.00 kJ/mol
  
13
6th Energy Level
18,020.00 kJ/mol
  
3
Not Available
  
7th Energy level
21,711.00 kJ/mol
  
3
Not Available
  
8th Energy Level
25,661.00 kJ/mol
  
3
Not Available
  
9th Energy Level
31,653.00 kJ/mol
  
3
Not Available
  
10th Energy Level
35,458.00 kJ/mol
  
5
Not Available
  
11th Energy Level
169,988.00 kJ/mol
  
1
Not Available
  
12th Energy Level
189,368.00 kJ/mol
  
1
Not Available
  
Electrochemical Equivalent
0.45 g/amp-hr
  
99+
1.11 g/amp-hr
  
99+
Other Chemical Properties
Corrosion, Highly Inflammable, Ionization, Solubility
  
Ionization, Solubility
  
Electron Configuration
[Ne] 3s2
  
[Kr] 4d10 5s2 5p2
  
Crystal Structure
Hexagonal Close Packed (HCP)
  
Tetragonal (TETR)
  
Crystal Lattice
HCP-Crystal-Structure-of-Magnesium.jpg#100
  
TETR-Crystal-Structure-of-Tin.jpg#100
  
Atom
  
  
Radius of an Atom
  
  
Atomic Weight
118.71 amu
  
99+
Atomic Volume
13.97 cm3/mol
  
37
16.30 cm3/mol
  
32
Adjacent Atomic Numbers
  
  
Valence Electron Potential
40.00 (-eV)
  
99+
83.50 (-eV)
  
14
Lattice Angles
π/2, π/2, 2 π/3
  
π/2, π/2, π/2
  
Lattice C/A Ratio
Not Available
  
Not Available
  
Density
  
  
Density At Room Temperature
1.74 g/cm3
  
99+
7.37 g/cm3
  
99+
Density When Liquid (at m.p.)
1.58 g/cm3
  
99+
Tensile Strength
Not Available
  
Not Available
  
Viscosity
Not Available
  
Not Available
  
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available
  
Elasticity properties
  
  
Other Mechanical Properties
NA
  
Ductile, Malleable
  
Magnetic Characteristics
  
  
Magnetic Ordering
Paramagnetic
  
Diamagnetic
  
Electrical Properties
  
  
Electrical Property
Conductor
  
Superconductor
  
Resistivity
43.90 nΩ·m
  
99+
115.00 nΩ·m
  
28
Electrical Conductivity
0.23 106/cm Ω
  
7
0.09 106/cm Ω
  
23
Electron Affinity
0.00 kJ/mol
  
40
107.30 kJ/mol
  
8
Specific Heat
1.02 J/(kg K)
  
4
0.23 J/(kg K)
  
28
Molar Heat Capacity
24.87 J/mol·K
  
99+
27.11 J/mol·K
  
20
Thermal Conductivity
156.00 W/m·K
  
8
66.80 W/m·K
  
25
Critical Temperature
Not Available
  
Not Available
  
Thermal Expansion
24.80 µm/(m·K)
  
15
22.00 µm/(m·K)
  
20
Enthalpy
  
  
Enthalpy of Vaporization
128.70 kJ/mol
  
99+
290.40 kJ/mol
  
32
Enthalpy of Fusion
8.95 kJ/mol
  
39
7.03 kJ/mol
  
99+
Enthalpy of Atomization
148.50 kJ/mol
  
99+
301.30 kJ/mol
  
35
Standard Molar Entropy
32.70 J/mol.K
  
99+
51.20 J/mol.K
  
29