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Strontium vs Copper

Strontium
Copper
Copper vs Strontium


Periodic Table
Symbol
Sr   
Cu   
Group Number
2   
16
11   
7
Period Number
5   
4   
Block
s block   
d block   
Element Family
Alkaline Earth   
Transition Metal   
CAS Number
7440246   
99+
7440508   
37
Space Group Name
Fm_ 3m   
Fm_ 3m   
Space Group Number
225.00   
2
225.00   
2
Facts
Interesting Facts
  • Strontium element is softer than Calcium.
  • Silvery Strontium turns yellow, if exposed to air.
  
  • Copper rarely found in its pure form in nature.
  • Copper Sulfate is mostly used in agricultural poison and as an algicide in water purification system.
  
Sources
Found in Minerals, Mining, Ores of Minerals   
Found in Minerals   
History
  
  
Who Discovered
William Cruickshank   
Unknown   
Discovery
In 1787   
In Middle East (9000 BCE)   
Abundance
  
  
Abundance In Universe
4 * 10-6 %   
14
6 * 10-6 %   
12
Abundance In Sun
~0.000005 %   
15
~0.00007 %   
12
Abundance In Meteorites
0.00 %   
15
0.01 %   
13
Abundance In Earth's Crust
0.04 %   
10
0.01 %   
17
Abundance In Oceans
0.00 %   
4
0.00 %   
8
Abundance In Humans
0.00 %   
7
0.00 %   
9
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.
  
  • It is use for coinage and bullion.
  • Most of copper element is used in manufacturing electrical and electronic equipments such as wirings and components. It is also used in construction and industrial machine.
  
Industrial Uses
Ammunition Industry, Chemical Industry   
Chemical Industry, Electronic Industry   
Medical Uses
NA   
NA   
Other Uses
Alloys   
Alloys, Coinage, Jewellery   
Biological Properties
  
  
Toxicity
Non Toxic   
Non Toxic   
Present in Human Body
Yes   
Yes   
In Blood
0.03 Blood/mg dm-3   
19
1.01 Blood/mg dm-3   
8
In Bone
140.00 p.p.m.   
7
26.00 p.p.m.   
12
Physical Properties
Melting Point
769.00 °C   
99+
1,084.62 °C   
40
Boiling Point
1,384.00 °C   
99+
2,562.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Copper   
Luster
Metallic   
NA   
Hardness
  
  
Mohs Hardness
1.50   
18
3.00   
12
Brinell Hardness
Not Available   
235.00 MPa   
38
Vickers Hardness
Not Available   
343.00 MPa   
28
Speed of Sound
Not Available   
3,810.00 m/s   
19
Optical Properties
  
  
Reflectivity
Not Available   
90.00 %   
3
Allotropes
No   
No   
α Allotropes
Not Available   
Not Available   
β Allotropes
Not Available   
Not Available   
γ Allotropes
Not Available   
Not Available   
Chemical Properties
Chemical Formula
Sr   
Cu   
Isotopes
  
  
Known Isotopes
27   
12
29   
10
Electronegativity
  
  
Pauling Electronegativity
0.95   
99+
1.90   
11
Sanderson Electronegativity
0.72   
27
1.98   
9
Allred Rochow Electronegativity
0.99   
37
1.75   
3
Mulliken-Jaffe Electronegativity
1.00   
18
1.49   
14
Allen Electronegativity
0.96   
40
1.85   
9
Electropositivity
  
  
Pauling Electropositivity
3.05   
7
2.10   
99+
Ionization Energies
  
  
1st Energy Level
549.50 kJ/mol   
99+
745.50 kJ/mol   
22
2nd Energy Level
1,064.20 kJ/mol   
99+
1,957.90 kJ/mol   
15
3rd Energy Level
4,138.00 kJ/mol   
10
3,555.00 kJ/mol   
15
4th Energy Level
5,500.00 kJ/mol   
13
5,536.00 kJ/mol   
12
5th Energy Level
6,910.00 kJ/mol   
18
7,700.00 kJ/mol   
11
6th Energy Level
8,760.00 kJ/mol   
18
9,900.00 kJ/mol   
10
7th Energy level
10,230.00 kJ/mol   
19
13,400.00 kJ/mol   
7
8th Energy Level
11,800.00 kJ/mol   
19
16,000.00 kJ/mol   
9
9th Energy Level
15,600.00 kJ/mol   
17
19,200.00 kJ/mol   
9
10th Energy Level
17,100.00 kJ/mol   
19
22,400.00 kJ/mol   
11
11th Energy Level
31,270.00 kJ/mol   
6
25,600.00 kJ/mol   
13
12th Energy Level
Not Available   
35,600.00 kJ/mol   
6
13th Energy Level
Not Available   
38,700.00 kJ/mol   
6
14th Energy Level
Not Available   
42,000.00 kJ/mol   
7
15th Energy Level
Not Available   
46,700.00 kJ/mol   
9
16th Energy Level
Not Available   
50,200.00 kJ/mol   
10
17th Energy Level
Not Available   
53,700.00 kJ/mol   
12
18th Energy Level
Not Available   
61,100.00 kJ/mol   
10
19th Energy Level
Not Available   
64,702.00 kJ/mol   
11
20th Energy Level
Not Available   
163,700.00 kJ/mol   
2
21st Energy Level
Not Available   
174,100.00 kJ/mol   
2
22nd Energy Level
Not Available   
184,900.00 kJ/mol   
1
23rd Energy Level
Not Available   
198,800.00 kJ/mol   
1
Electrochemical Equivalent
1.64 g/amp-hr   
99+
1.19 g/amp-hr   
99+
Electron Work Function
2.59 eV   
99+
4.65 eV   
11
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Chemical Stability, Corrosion, Ionization, Solubility   
Atomic Properties
Atomic Number
38   
99+
29   
99+
Electron Configuration
[Kr] 5s2   
[Ar] 3d10 4s1   
Crystal Structure
Face Centered Cubic (FCC)   
Face Centered Cubic (FCC)   
Crystal Lattice
FCC-Crystal-Structure-of-Strontium.jpg#100   
FCC-Crystal-Structure-of-Copper.jpg#100   
Atom
  
  
Number of Protons
38   
99+
29   
99+
Number of Neutrons
50   
99+
35   
99+
Number of Electrons
38   
99+
29   
99+
Radius of an Atom
  
  
Atomic Radius
215.00 pm   
5
128.00 pm   
99+
Covalent Radius
195.00 pm   
15
132.00 pm   
99+
Van der Waals Radius
249.00 pm   
7
140.00 pm   
99+
Atomic Weight
87.62 amu   
99+
63.55 amu   
99+
Atomic Volume
33.70 cm3/mol   
6
7.10 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Rubidium
  
Nickel
  
Next Element
Yttrium
  
Zinc
  
Valence Electron Potential
25.70 (-eV)   
99+
34.00 (-eV)   
99+
Lattice Constant
608.49 pm   
6
361.49 pm   
35
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
2.64 g/cm3   
99+
8.96 g/cm3   
99+
Density When Liquid (at m.p.)
2.38 g/cm3   
99+
8.02 g/cm3   
27
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
121.00 (Pa)   
1
1.53 (Pa)   
8
Elasticity properties
  
  
Shear Modulus
6.03 GPa   
99+
48.00 GPa   
15
Bulk Modulus
Not Available   
140.00 GPa   
12
Young's Modulus
15.70 GPa   
99+
120.00 GPa   
17
Poisson Ratio
0.28   
17
0.34   
10
Other Mechanical Properties
NA   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
2.64   
99+
8.89   
34
Magnetic Ordering
Paramagnetic   
Diamagnetic   
Permeability
Not Available   
1.256629 * 10-6 H/m   
5
Susceptibility
Not Available   
-9.63 * 10-6   
4
Electrical Properties
  
  
Electrical Property
NA   
Conductor   
Resistivity
132.00 nΩ·m   
24
16.78 nΩ·m   
99+
Electrical Conductivity
0.08 106/cm Ω   
26
0.60 106/cm Ω   
2
Electron Affinity
5.03 kJ/mol   
38
222.80 kJ/mol   
1
Thermal Properties
Specific Heat
0.30 J/(kg K)   
18
0.38 J/(kg K)   
15
Molar Heat Capacity
26.40 J/mol·K   
28
24.44 J/mol·K   
99+
Thermal Conductivity
35.40 W/m·K   
37
401.00 W/m·K   
2
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
22.50 µm/(m·K)   
18
16.50 µm/(m·K)   
25
Enthalpy
  
  
Enthalpy of Vaporization
150.00 kJ/mol   
99+
283.70 kJ/mol   
33
Enthalpy of Fusion
9.16 kJ/mol   
38
7.11 kJ/mol   
99+
Enthalpy of Atomization
163.20 kJ/mol   
99+
338.90 kJ/mol   
29
Standard Molar Entropy
55.00 J/mol.K   
26
33.20 J/mol.K   
99+
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