1 Periodic Table
1.1 Symbol
1.2 Group Number
1.4 Period Number
1.6 Block
1.7 Element Family
1.8 CAS Number
74401117440246
7429905
54386242
1.11 Space Group Name
1.12 Space Group Number
3 Facts
3.1 Interesting Facts
- Mendelevium metal is synthetically produced metal.
- Mendelevium metal has been produced in only trace amount.
- Strontium element is softer than Calcium.
- Silvery Strontium turns yellow, if exposed to air.
3.2 Sources
Bombarding Einsteinium with Helium Ions
Found in Minerals, Mining, Ores of Minerals
3.3 History
3.3.1 Who Discovered
Lawrence Berkeley National Laboratory
William Cruickshank
3.3.3 Discovery
3.4 Abundance
3.4.1 Abundance In Universe
4.1.2 Abundance In Sun
~-9999 %~0.000005 %
1E-08
0.1
4.2.5 Abundance In Meteorites
4.3.3 Abundance In Earth's Crust
4.5.3 Abundance In Oceans
4.6.1 Abundance In Humans
6 Uses
6.1 Uses & Benefits
- Currently known uses of Mendelevium 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.
6.1.1 Industrial Uses
NA
Ammunition Industry, Chemical Industry
6.1.2 Medical Uses
6.1.3 Other Uses
6.2 Biological Properties
6.2.1 Toxicity
6.2.2 Present in Human Body
6.2.3 In Blood
0.00 Blood/mg dm-30.03 Blood/mg dm-3
0
1970
6.4.1 In Bone
0.00 p.p.m.140.00 p.p.m.
0
170000
7 Physical
7.1 Melting Point
827.00 °C769.00 °C
27
3410
8.2 Boiling Point
9.3 Appearance
9.3.1 Physical State
9.3.2 Color
9.3.3 Luster
9.4 Hardness
9.4.1 Mohs Hardness
9.6.1 Brinell Hardness
9.8.1 Vickers Hardness
9.10 Speed of Sound
9.14 Optical Properties
9.14.1 Refractive Index
9.15.2 Reflectivity
9.17 Allotropes
9.17.1 α Allotropes
Not Available
Not Available
9.17.2 β Allotropes
Not Available
Not Available
9.17.3 γ Allotropes
Not Available
Not Available
10 Chemical
10.1 Chemical Formula
10.2 Isotopes
10.2.1 Known Isotopes
10.4 Electronegativity
10.4.1 Pauling Electronegativity
10.5.1 Sanderson Electronegativity
10.5.2 Allred Rochow Electronegativity
10.5.3 Mulliken-Jaffe Electronegativity
10.6.1 Allen Electronegativity
10.7 Electropositivity
10.7.1 Pauling Electropositivity
11.2 Ionization Energies
11.2.1 1st Energy Level
635.00 kJ/mol549.50 kJ/mol
375.7
26130
11.2.4 2nd Energy Level
1,235.00 kJ/mol1,064.20 kJ/mol
710.2162
28750
11.2.6 3rd Energy Level
2,470.00 kJ/mol4,138.00 kJ/mol
1600
34230
11.3.2 4th Energy Level
3,840.00 kJ/mol5,500.00 kJ/mol
2780
37066
11.3.4 5th Energy Level
NA6,910.00 kJ/mol
4305.2
97510
11.3.6 6th Energy Level
NA8,760.00 kJ/mol
5715.8
105800
11.3.8 7th Energy level
NA10,230.00 kJ/mol
7226.8
114300
11.3.9 8th Energy Level
NA11,800.00 kJ/mol
8857.4
125300
12.1.1 9th Energy Level
NA15,600.00 kJ/mol
14110
134700
12.1.2 10th Energy Level
NA17,100.00 kJ/mol
17100
144300
12.1.3 11th Energy Level
NA31,270.00 kJ/mol
19900
169988
12.2.1 12th Energy Level
12.3.1 13th Energy Level
12.3.2 14th Energy Level
12.3.3 15th Energy Level
12.3.4 16th Energy Level
12.3.5 17th Energy Level
12.3.6 18th Energy Level
12.4.1 19th Energy Level
12.4.2 20th Energy Level
12.5.1 21st Energy Level
12.5.2 22nd Energy Level
12.5.3 23rd Energy Level
12.5.4 24th Energy Level
12.5.5 25th Energy Level
12.5.6 26th Energy Level
12.5.7 27th Energy Level
12.5.8 28th Energy Level
12.6.2 29th Energy Level
12.6.3 30th Energy Level
12.7 Electrochemical Equivalent
3.21 g/amp-hr1.64 g/amp-hr
0.16812
8.3209
12.8 Electron Work Function
12.9 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Ionization, Radioactive Isotopes, Radioactivity, Solubility
13 Atomic
13.1 Atomic Number
13.2 Electron Configuration
13.3 Crystal Structure
Not Known
Face Centered Cubic (FCC)
13.3.1 Crystal Lattice
13.4 Atom
13.4.1 Number of Protons
13.4.3 Number of Neutrons
13.4.4 Number of Electrons
13.5 Radius of an Atom
13.5.1 Atomic Radius
13.6.1 Covalent Radius
13.6.2 Van der Waals Radius
246.00 pm249.00 pm
139
348
13.7 Atomic Weight
258.00 amu87.62 amu
6.94
294
13.8 Atomic Volume
NA33.70 cm3/mol
1.39
71.07
13.9 Adjacent Atomic Numbers
13.9.1 Previous Element
13.9.2 Next Element
13.10 Valence Electron Potential
13.11 Lattice Constant
NA608.49 pm
228.58
891.25
13.12 Lattice Angles
13.13 Lattice C/A Ratio
14 Mechanical
14.1 Density
14.1.1 Density At Room Temperature
14.1.2 Density When Liquid (at m.p.)
14.2 Tensile Strength
14.3 Viscosity
14.4 Vapor Pressure
14.4.1 Vapor Pressure at 1000 K
NA121.00 (Pa)
2.47E-11
121
14.4.2 Vapor Pressure at 2000 K
14.5 Elasticity properties
14.5.1 Shear Modulus
14.5.2 Bulk Modulus
14.5.3 Young's Modulus
14.6 Poisson Ratio
14.7 Other Mechanical Properties
15 Magnetic
15.1 Magnetic Characteristics
15.1.1 Specific Gravity
15.1.2 Magnetic Ordering
15.1.3 Permeability
15.1.4 Susceptibility
15.2 Electrical Properties
15.2.1 Electrical Property
15.2.2 Resistivity
15.2.3 Electrical Conductivity
NA0.08 106/cm Ω
0.00666
0.63
15.2.4 Electron Affinity
16 Thermal
16.1 Specific Heat
16.2 Molar Heat Capacity
NA26.40 J/mol·K
16.443
62.7
16.3 Thermal Conductivity
16.4 Critical Temperature
16.5 Thermal Expansion
16.6 Enthalpy
16.6.1 Enthalpy of Vaporization
NA150.00 kJ/mol
7.32
799.1
16.6.2 Enthalpy of Fusion
16.6.3 Enthalpy of Atomization
16.7 Standard Molar Entropy
NA55.00 J/mol.K
9.5
198.1