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Strontium Vanadium Comparison

Strontium
Vanadium
Vanadium Strontium comparison


Periodic Table
Symbol
Sr  
V  
Group Number
2  
16
5  
13
Period Number
5  
4  
Block
s block  
d block  
Element Family
Alkaline Earth  
Transition Metal  
CAS Number
7440246  
99+
7440622  
27
Space Group Name
Fm_ 3m  
Im_ 3m  
Space Group Number
225.00  
3
229.00  
2
Facts
Interesting Facts
  • Strontium element is softer than Calcium.
  • Silvery Strontium turns yellow, if exposed to air.
  
  • Vanadium is a highly reactive metal, hence it is not found free in nature.
  • Vanadium can be found in almost 65 different types of minerals.
  
Sources
Found in Minerals, Mining, Ores of Minerals  
Found As a By-product, Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
William Cruickshank  
Andrés Manuel del Río  
Discovery
In 1787  
In 1801  
Abundance
  
  
Abundance In Universe
0.00 %  
15
0.00 %  
11
Abundance In Sun
0.00 %  
15
0.00 %  
13
Abundance In Meteorites
0.00 %  
15
0.01 %  
14
Abundance In Earth's Crust
0.04 %  
10
0.02 %  
12
Abundance In Oceans
0.00 %  
4
0.00 %  
14
Abundance In Humans
0.00 %  
8
0.00 %  
19
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.
  
  • Its ally with steel is used very tough and hence it is used in armor plates, axles, piston rods, tools and crankshafts.
  • Its oxide is used as pigments for glass and ceramics.
  
Industrial Uses
Ammunition Industry, Chemical Industry  
Aerospace Industry, Automobile Industry, Chemical Industry  
Medical Uses
-  
-  
Other Uses
Alloys  
Alloys  
Biological Properties
  
  
Toxicity
Non Toxic  
Toxic  
Present in Human Body
Yes  
Yes  
In Blood
0.03 Blood/mg dm-3  
19
0.00 Blood/mg dm-3  
39
In Bone
140.00 p.p.m.  
7
0.00 p.p.m.  
36
Physical
Melting Point
769.00 °C  
99+
1,890.00 °C  
13
Boiling Point
1,384.00 °C  
99+
3,380.00 °C  
21
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery White  
Blue-Silver Grey  
Luster
Metallic  
Metallic  
Hardness
  
  
Mohs Hardness
1.50  
19
6.70  
4
Brinell Hardness
110.00 MPa  
99+
600.00 MPa  
24
Vickers Hardness
15.00 MPa  
99+
628.00 MPa  
25
Speed of Sound
4,170.00 m/s  
23
4,560.00 m/s  
22
Optical Properties
  
  
Refractive Index
1.43  
39
2.05  
13
Reflectivity
65.00 %  
18
61.00 %  
22
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Sr  
V  
Isotopes
  
  
Known Isotopes
27  
12
22  
17
Electronegativity
  
  
Pauling Electronegativity
0.95  
99+
1.63  
21
Sanderson Electronegativity
0.72  
99+
1.39  
21
Allred Rochow Electronegativity
0.99  
38
1.45  
17
Mulliken-Jaffe Electronegativity
1.00  
99+
1.63  
21
Allen Electronegativity
0.96  
99+
1.53  
29
Electropositivity
  
  
Pauling Electropositivity
3.05  
7
2.37  
34
Ionization Energies
  
  
1st Energy Level
549.50 kJ/mol  
99+
650.90 kJ/mol  
99+
2nd Energy Level
1,064.20 kJ/mol  
99+
1,414.00 kJ/mol  
99+
3rd Energy Level
4,138.00 kJ/mol  
10
2,830.00 kJ/mol  
36
4th Energy Level
5,500.00 kJ/mol  
22
4,507.00 kJ/mol  
35
5th Energy Level
6,910.00 kJ/mol  
30
6,298.70 kJ/mol  
38
6th Energy Level
8,760.00 kJ/mol  
26
12,363.00 kJ/mol  
6
7th Energy level
10,230.00 kJ/mol  
19
14,530.00 kJ/mol  
5
8th Energy Level
11,800.00 kJ/mol  
19
16,730.00 kJ/mol  
7
9th Energy Level
15,600.00 kJ/mol  
17
19,860.00 kJ/mol  
7
10th Energy Level
17,100.00 kJ/mol  
19
22,240.00 kJ/mol  
12
11th Energy Level
31,270.00 kJ/mol  
6
24,670.00 kJ/mol  
15
12th Energy Level
5,490.00 kJ/mol  
99+
29,730.00 kJ/mol  
34
13th Energy Level
5,490.00 kJ/mol  
99+
32,446.00 kJ/mol  
12
14th Energy Level
5,490.00 kJ/mol  
99+
86,450.00 kJ/mol  
1
15th Energy Level
54,900.00 kJ/mol  
99+
94,170.00 kJ/mol  
3
16th Energy Level
54,900.00 kJ/mol  
99+
102,300.00 kJ/mol  
3
17th Energy Level
549.50 kJ/mol  
99+
112,700.00 kJ/mol  
4
18th Energy Level
5,490.00 kJ/mol  
99+
121,600.00 kJ/mol  
5
19th Energy Level
549.50 kJ/mol  
99+
130,700.00 kJ/mol  
6
20th Energy Level
549.00 kJ/mol  
99+
143,400.00 kJ/mol  
8
21st Energy Level
549.50 kJ/mol  
99+
151,440.00 kJ/mol  
8
22nd Energy Level
549.00 kJ/mol  
99+
650.00 kJ/mol  
32
23rd Energy Level
549.50 kJ/mol  
99+
650.90 kJ/mol  
99+
24th Energy Level
549.50 kJ/mol  
99+
650.90 kJ/mol  
34
25th Energy Level
549.00 kJ/mol  
99+
650.90 kJ/mol  
36
26th Energy Level
549.50 kJ/mol  
99+
650.90 kJ/mol  
35
27th Energy Level
549.50 kJ/mol  
99+
650.90 kJ/mol  
36
28th Energy Level
549.50 kJ/mol  
99+
650.90 kJ/mol  
99+
29th Energy Level
549.50 kJ/mol  
99+
650.90 kJ/mol  
99+
30th Energy Level
549.50 kJ/mol  
99+
650.90 kJ/mol  
38
Electrochemical Equivalent
1.64 g/amp-hr  
99+
0.38 g/amp-hr  
99+
Electron Work Function
2.59 eV  
99+
4.30 eV  
25
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility  
Anti Corrosion, Ionization, Radioactive Isotopes  
Atomic
Atomic Number
38  
99+
23  
99+
Electron Configuration
[Kr] 5s2  
[Ar] 3d3 4s2  
Crystal Structure
Face Centered Cubic (FCC)  
Body Centered Cubic (BCC)  
Crystal Lattice
FCC-Crystal-Structure-of-Strontium.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
38  
99+
23  
99+
Number of Neutrons
50  
99+
28  
99+
Number of Electrons
38  
99+
23  
99+
Radius of an Atom
  
  
Atomic Radius
215.00 pm  
6
134.00 pm  
99+
Covalent Radius
195.00 pm  
15
153.00 pm  
35
Van der Waals Radius
249.00 pm  
11
200.00 pm  
35
Atomic Weight
87.62 amu  
99+
50.94 amu  
99+
Atomic Volume
33.70 cm3/mol  
9
8.78 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Rubidium
  
Titanium
  
Next Element
Yttrium
  
Chromium
  
Valence Electron Potential
25.70 (-eV)  
99+
120.00 (-eV)  
6
Lattice Constant
608.49 pm  
6
303.00 pm  
99+
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  
Lattice C/A Ratio
1.57  
40
1.70  
9
Mechanical
Density
  
  
Density At Room Temperature
2.64 g/cm3  
99+
6.00 g/cm3  
99+
Density When Liquid (at m.p.)
2.38 g/cm3  
99+
5.50 g/cm3  
99+
Tensile Strength
170.00 MPa  
21
800.00 MPa  
6
Viscosity
0.00  
2
0.00  
11
Vapor Pressure
  
  
Vapor Pressure at 1000 K
121.00 (Pa)  
1
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
38
0.23 (Pa)  
16
Elasticity properties
  
  
Shear Modulus
6.03 GPa  
99+
47.00 GPa  
16
Bulk Modulus
11.00 GPa  
99+
160.00 GPa  
11
Young's Modulus
15.70 GPa  
99+
128.00 GPa  
17
Poisson Ratio
0.28  
17
0.37  
7
Other Mechanical Properties
-  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
2.64  
99+
5.96  
99+
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
15
Susceptibility
0.00  
35
0.00  
8
Electrical Properties
  
  
Electrical Property
-  
Superconductor  
Resistivity
132.00 nΩ·m  
24
197.00 nΩ·m  
19
Electrical Conductivity
0.08 106/cm Ω  
31
0.05 106/cm Ω  
40
Electron Affinity
5.03 kJ/mol  
99+
50.60 kJ/mol  
25
Thermal
Specific Heat
0.30 J/(kg K)  
18
0.49 J/(kg K)  
10
Molar Heat Capacity
26.40 J/mol·K  
36
24.89 J/mol·K  
99+
Thermal Conductivity
35.40 W/m·K  
38
30.70 W/m·K  
40
Critical Temperature
1,050.00 K  
99+
2,183.00 K  
15
Thermal Expansion
22.50 µm/(m·K)  
19
8.40 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
150.00 kJ/mol  
99+
458.60 kJ/mol  
19
Enthalpy of Fusion
9.16 kJ/mol  
99+
17.57 kJ/mol  
14
Enthalpy of Atomization
163.20 kJ/mol  
99+
514.60 kJ/mol  
17
Standard Molar Entropy
55.00 J/mol.K  
34
28.90 J/mol.K  
99+
Summary >>
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