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Meitnerium vs Strontium

Meitnerium
Strontium
Strontium vs Meitnerium


Periodic Table
Symbol
Mt   
Sr   
Group Number
9   
9
2   
16
Period Number
7   
5   
Block
d block   
s block   
Element Family
Probably Transition   
Alkaline Earth   
CAS Number
54038016   
10
7440246   
99+
Space Group Name
Not Available   
Fm_ 3m   
Space Group Number
Not Available   
225.00   
2
Facts
Interesting Facts
Not Available   
  • Strontium element is softer than Calcium.
  • Silvery Strontium turns yellow, if exposed to air.
  
Sources
Bombarding Bi209 with Accelerated Nuclei of Fe58, Synthetically Produced   
Found in Minerals, Mining, Ores of Minerals   
History
  
  
Who Discovered
Gesellschaft für Schwerionenforschung   
William Cruickshank   
Discovery
In 1982   
In 1787   
Abundance
  
  
Abundance In Universe
Not Available   
4 * 10-6 %   
14
Abundance In Sun
~-9999 %   
~0.000005 %   
15
Abundance In Meteorites
Not Available   
0.00 %   
15
Abundance In Earth's Crust
Not Available   
0.04 %   
10
Abundance In Oceans
Not Available   
0.00 %   
4
Abundance In Humans
Not Available   
0.00 %   
7
Uses
Uses & Benefits
  • Currently known uses of Meitnerium metal are limited to research purpose only.
  
  • 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
NA   
Ammunition Industry, Chemical Industry   
Medical Uses
NA   
NA   
Other Uses
NA   
Alloys   
Biological Properties
  
  
Toxicity
Unknown   
Non Toxic   
Present in Human Body
No   
Yes   
In Blood
0.00 Blood/mg dm-3   
37
0.03 Blood/mg dm-3   
19
In Bone
0.00 p.p.m.   
36
140.00 p.p.m.   
7
Physical Properties
Melting Point
Not Available   
769.00 °C   
99+
Boiling Point
Not Available   
1,384.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Unknown   
Silvery White   
Luster
Unknown Luster   
Metallic   
Hardness
  
  
Mohs Hardness
Not Available   
1.50   
18
Speed of Sound
Not Available   
Not Available   
Optical Properties
  
  
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
Mt   
Sr   
Isotopes
  
  
Known Isotopes
4   
33
27   
12
Electronegativity
  
  
Pauling Electronegativity
Not Available   
0.95   
99+
Sanderson Electronegativity
Not Available   
0.72   
27
Allred Rochow Electronegativity
Not Available   
0.99   
37
Mulliken-Jaffe Electronegativity
Not Available   
1.00   
18
Allen Electronegativity
Not Available   
0.96   
40
Electropositivity
  
  
Pauling Electropositivity
Not Available   
3.05   
7
Ionization Energies
  
  
1st Energy Level
800.80 kJ/mol   
15
549.50 kJ/mol   
99+
2nd Energy Level
1,823.60 kJ/mol   
17
1,064.20 kJ/mol   
99+
3rd Energy Level
2,904.20 kJ/mol   
31
4,138.00 kJ/mol   
10
4th Energy Level
3,859.40 kJ/mol   
99+
5,500.00 kJ/mol   
13
5th Energy Level
4,920.80 kJ/mol   
35
6,910.00 kJ/mol   
18
6th Energy Level
Not Available   
8,760.00 kJ/mol   
18
7th Energy level
Not Available   
10,230.00 kJ/mol   
19
8th Energy Level
Not Available   
11,800.00 kJ/mol   
19
9th Energy Level
Not Available   
15,600.00 kJ/mol   
17
10th Energy Level
Not Available   
17,100.00 kJ/mol   
19
11th Energy Level
Not Available   
31,270.00 kJ/mol   
6
Electrochemical Equivalent
Not Available   
1.64 g/amp-hr   
99+
Electron Work Function
Not Available   
2.59 eV   
99+
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Atomic Properties
Atomic Number
109   
9
38   
99+
Electron Configuration
[Rn] 5f14 6d7 7s2   
[Kr] 5s2   
Crystal Structure
Face Centered Cubic (FCC)   
Face Centered Cubic (FCC)   
Crystal Lattice
FCC-Crystal-Structure-of-Meitnerium.jpg#100   
FCC-Crystal-Structure-of-Strontium.jpg#100   
Atom
  
  
Number of Protons
109   
9
38   
99+
Number of Neutrons
157   
7
50   
99+
Number of Electrons
109   
9
38   
99+
Radius of an Atom
  
  
Atomic Radius
122.00 pm   
99+
215.00 pm   
5
Covalent Radius
129.00 pm   
99+
195.00 pm   
15
Van der Waals Radius
Not Available   
249.00 pm   
7
Atomic Weight
278.00 amu   
7
87.62 amu   
99+
Atomic Volume
Not Available   
33.70 cm3/mol   
6
Adjacent Atomic Numbers
  
  
Previous Element
Hassium
  
Rubidium
  
Next Element
Darmstadtium
  
Yttrium
  
Valence Electron Potential
Not Available   
25.70 (-eV)   
99+
Lattice Constant
Not Available   
608.49 pm   
6
Lattice Angles
NA   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
37.40 g/cm3   
2
2.64 g/cm3   
99+
Density When Liquid (at m.p.)
Not Available   
2.38 g/cm3   
99+
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available   
121.00 (Pa)   
1
Elasticity properties
  
  
Shear Modulus
Not Available   
6.03 GPa   
99+
Young's Modulus
Not Available   
15.70 GPa   
99+
Poisson Ratio
Not Available   
0.28   
17
Other Mechanical Properties
NA   
NA   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
Not Available   
2.64   
99+
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Unknown   
NA   
Resistivity
Not Available   
132.00 nΩ·m   
24
Electrical Conductivity
Not Available   
0.08 106/cm Ω   
26
Electron Affinity
Not Available   
5.03 kJ/mol   
38
Thermal Properties
Specific Heat
Not Available   
0.30 J/(kg K)   
18
Molar Heat Capacity
Not Available   
26.40 J/mol·K   
28
Thermal Conductivity
Not Available   
35.40 W/m·K   
37
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
Not Available   
22.50 µm/(m·K)   
18
Enthalpy
  
  
Enthalpy of Vaporization
Not Available   
150.00 kJ/mol   
99+
Enthalpy of Fusion
Not Available   
9.16 kJ/mol   
38
Enthalpy of Atomization
Not Available   
163.20 kJ/mol   
99+
Standard Molar Entropy
Not Available   
55.00 J/mol.K   
26
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