Symbol
Zr
  
Sn
  
Period Number
5
  
5
  
Block
d block
  
p block
  
Element Family
Transition Metal
  
Post-Transition
  
Space Group Name
P63/mmc
  
I41/amd
  
Interesting Facts
- Zirconium metal can resist to weak acids.
- Zirconium metal reacts with oxygen and nitrogen in the atmosphere.
  
- 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
Martin Heinrich Klaproth
  
Unknown
  
Discovery
In 1789
  
Before 3500 BC
  
Abundance
  
  
Abundance In Sun
~0.000004 %
  
16
~0.0000009 %
  
19
Abundance In Earth's Crust
Uses & Benefits
- As this metal does not absorb neutrons; It is used in nuclear power stations.
- Its oxide is used in ultra strong ceramics. It is also used in manufacturing Crucibles.
  
- 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, Food Industry
  
Medical Uses
NA
  
Dentistry
  
Other Uses
Alloys, Nuclear Research, Research Purposes
  
NA
  
Biological Properties
  
  
Toxicity
NA
  
Non Toxic
  
Present in Human Body
Yes
  
Yes
  
In Blood
0.01 Blood/mg dm-3
  
21
0.38 Blood/mg dm-3
  
10
In Bone
0.10 p.p.m.
  
23
1.40 p.p.m.
  
16
Melting Point
1,852.00 °C
  
15
Boiling Point
4,377.00 °C
  
11
2,270.00 °C
  
99+
Appearance
  
  
Physical State
Solid
  
Solid
  
Color
Silvery White
  
Silvery White
  
Luster
Lustrous
  
NA
  
Hardness
  
  
Vickers Hardness
Not Available
  
Speed of Sound
3,800.00 m/s
  
20
2,730.00 m/s
  
32
Optical Properties
  
  
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
Zr
  
Sn
  
Isotopes
  
  
Electronegativity
  
  
Pauling Electronegativity
Sanderson Electronegativity
Allred Rochow Electronegativity
Mulliken-Jaffe Electronegativity
Not Available
  
Electropositivity
  
  
Pauling Electropositivity
Ionization Energies
  
  
1st Energy Level
640.10 kJ/mol
  
99+
708.60 kJ/mol
  
33
2nd Energy Level
1,270.00 kJ/mol
  
99+
1,411.80 kJ/mol
  
99+
3rd Energy Level
2,218.00 kJ/mol
  
99+
2,943.00 kJ/mol
  
30
4th Energy Level
3,313.00 kJ/mol
  
99+
3,930.30 kJ/mol
  
99+
5th Energy Level
7,752.00 kJ/mol
  
10
7,456.00 kJ/mol
  
13
6th Energy Level
9,500.00 kJ/mol
  
15
Not Available
  
Electrochemical Equivalent
0.85 g/amp-hr
  
99+
1.11 g/amp-hr
  
99+
Other Chemical Properties
Anti Corrosion, Flammable, Ionization, Radioactive Isotopes, Solubility
  
Ionization, Solubility
  
Electron Configuration
[Kr] 4d2 5s2
  
[Kr] 4d10 5s2 5p2
  
Crystal Structure
Hexagonal Close Packed (HCP)
  
Tetragonal (TETR)
  
Crystal Lattice
HCP-Crystal-Structure-of-Zirconium.jpg#100
  
TETR-Crystal-Structure-of-Tin.jpg#100
  
Atom
  
  
Radius of an Atom
  
  
Atomic Weight
118.71 amu
  
99+
Atomic Volume
14.10 cm3/mol
  
36
16.30 cm3/mol
  
32
Adjacent Atomic Numbers
  
  
Valence Electron Potential
80.00 (-eV)
  
18
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
  
Density
  
  
Density At Room Temperature
6.52 g/cm3
  
99+
7.37 g/cm3
  
99+
Density When Liquid (at m.p.)
5.80 g/cm3
  
99+
Tensile Strength
Not Available
  
Viscosity
Not Available
  
Not Available
  
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available
  
Vapor Pressure at 2000 K
Not Available
  
Elasticity properties
  
  
Other Mechanical Properties
Ductile, Malleable
  
Ductile, Malleable
  
Magnetic Characteristics
  
  
Magnetic Ordering
Paramagnetic
  
Diamagnetic
  
Electrical Properties
  
  
Electrical Property
Conductor
  
Superconductor
  
Resistivity
421.00 nΩ·m
  
11
115.00 nΩ·m
  
28
Electrical Conductivity
0.02 106/cm Ω
  
99+
0.09 106/cm Ω
  
23
Electron Affinity
41.10 kJ/mol
  
27
107.30 kJ/mol
  
8
Specific Heat
0.27 J/(kg K)
  
19
0.23 J/(kg K)
  
28
Molar Heat Capacity
25.36 J/mol·K
  
99+
27.11 J/mol·K
  
20
Thermal Conductivity
22.60 W/m·K
  
99+
66.80 W/m·K
  
25
Critical Temperature
Not Available
  
Not Available
  
Thermal Expansion
5.70 µm/(m·K)
  
99+
22.00 µm/(m·K)
  
20
Enthalpy
  
  
Enthalpy of Vaporization
581.60 kJ/mol
  
9
290.40 kJ/mol
  
32
Enthalpy of Fusion
20.90 kJ/mol
  
11
7.03 kJ/mol
  
99+
Enthalpy of Atomization
598.00 kJ/mol
  
10
301.30 kJ/mol
  
35
Standard Molar Entropy
39.00 J/mol.K
  
39
51.20 J/mol.K
  
29