1 Periodic Table
1.1 Symbol
1.3 Group Number
1.5 Period Number
2.5 Block
2.6 Element Family
2.7 CAS Number
74402467440519
7429905
54386242
2.9 Space Group Name
2.10 Space Group Number
3 Facts
3.1 Interesting Facts
- Strontium element is softer than Calcium.
- Silvery Strontium turns yellow, if exposed to air.
- Curium metal does not occur free in nature.
- Curium metal is a synthetically produced metal.
3.2 Sources
Found in Minerals, Mining, Ores of Minerals
Bombarding Plutonium with Helium Ions
3.3 History
3.3.1 Who Discovered
William Cruickshank
Glenn T. Seaborg, Ralph A. James, Albert Ghiorso
3.3.2 Discovery
3.4 Abundance
3.4.1 Abundance In Universe
3.4.5 Abundance In Sun
~0.000005 %~-9999 %
1E-08
0.1
3.5.4 Abundance In Meteorites
3.6.2 Abundance In Earth's Crust
3.7.2 Abundance In Oceans
4.3.2 Abundance In Humans
5 Uses
5.1 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.
- Curium metal is used to provide power to electrical equipment for space missions.
5.1.2 Industrial Uses
Ammunition Industry, Chemical Industry
NA
5.1.3 Medical Uses
5.1.4 Other Uses
5.2 Biological Properties
5.2.1 Toxicity
5.3.2 Present in Human Body
5.3.3 In Blood
0.03 Blood/mg dm-30.00 Blood/mg dm-3
0
1970
5.3.7 In Bone
140.00 p.p.m.0.00 p.p.m.
0
170000
6 Physical
6.1 Melting Point
769.00 °C1,340.00 °C
27
3410
6.2 Boiling Point
1,384.00 °C3,110.00 °C
147
5660
6.3 Appearance
6.3.1 Physical State
6.3.3 Color
6.3.4 Luster
6.4 Hardness
6.4.1 Mohs Hardness
6.4.6 Brinell Hardness
6.4.10 Vickers Hardness
6.6 Speed of Sound
6.8 Optical Properties
6.8.1 Refractive Index
6.8.4 Reflectivity
6.9 Allotropes
6.9.1 α Allotropes
Not Available
Not Available
6.9.2 β Allotropes
Not Available
Not Available
6.9.3 γ Allotropes
Not Available
Not Available
7 Chemical
7.1 Chemical Formula
7.2 Isotopes
7.2.1 Known Isotopes
7.3 Electronegativity
7.3.1 Pauling Electronegativity
7.3.4 Sanderson Electronegativity
7.3.10 Allred Rochow Electronegativity
7.3.15 Mulliken-Jaffe Electronegativity
7.3.21 Allen Electronegativity
7.4 Electropositivity
7.4.1 Pauling Electropositivity
7.5 Ionization Energies
7.5.1 1st Energy Level
549.50 kJ/mol581.00 kJ/mol
375.7
26130
7.5.6 2nd Energy Level
1,064.20 kJ/mol1,196.00 kJ/mol
710.2162
28750
7.6.1 3rd Energy Level
4,138.00 kJ/mol2,026.00 kJ/mol
1600
34230
7.7.2 4th Energy Level
5,500.00 kJ/mol3,550.00 kJ/mol
2780
37066
1.4.2 5th Energy Level
6,910.00 kJ/molNA
4305.2
97510
3.1.1 6th Energy Level
8,760.00 kJ/molNA
5715.8
105800
3.1.3 7th Energy level
10,230.00 kJ/molNA
7226.8
114300
3.7.2 8th Energy Level
11,800.00 kJ/molNA
8857.4
125300
3.7.5 9th Energy Level
15,600.00 kJ/molNA
14110
134700
3.7.10 10th Energy Level
17,100.00 kJ/molNA
17100
144300
3.7.14 11th Energy Level
31,270.00 kJ/molNA
19900
169988
3.7.20 12th Energy Level
3.10.2 13th Energy Level
3.12.3 14th Energy Level
3.13.3 15th Energy Level
4.1.2 16th Energy Level
4.6.2 17th Energy Level
4.7.1 18th Energy Level
4.8.4 19th Energy Level
4.12.1 20th Energy Level
4.12.4 21st Energy Level
4.14.1 22nd Energy Level
4.14.3 23rd Energy Level
4.19.1 24th Energy Level
4.19.4 25th Energy Level
6.1.3 26th Energy Level
6.2.1 27th Energy Level
6.2.4 28th Energy Level
6.4.1 29th Energy Level
6.5.1 30th Energy Level
6.8 Electrochemical Equivalent
1.64 g/amp-hr3.07 g/amp-hr
0.16812
8.3209
7.5 Electron Work Function
7.12 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Ionization, Radioactive Isotopes
8 Atomic
8.1 Atomic Number
8.3 Electron Configuration
[Kr] 5s2
[Rn] 5f7 6d1 7s2
8.4 Crystal Structure
Face Centered Cubic (FCC)
Double Hexagonal Close Packed (DHCP)
8.4.1 Crystal Lattice
8.5 Atom
8.5.1 Number of Protons
8.9.1 Number of Neutrons
9.1.6 Number of Electrons
9.3 Radius of an Atom
9.3.1 Atomic Radius
215.00 pm174.00 pm
112
265
9.4.1 Covalent Radius
195.00 pm169.00 pm
96
260
9.5.1 Van der Waals Radius
249.00 pm200.00 pm
139
348
10.3 Atomic Weight
87.62 amu247.00 amu
6.94
294
11.4 Atomic Volume
33.70 cm3/mol18.28 cm3/mol
1.39
71.07
11.6 Adjacent Atomic Numbers
11.6.1 Previous Element
11.6.2 Next Element
11.7 Valence Electron Potential
25.70 (-eV)44.50 (-eV)
8
392.42
11.10 Lattice Constant
608.49 pmNA
228.58
891.25
11.14 Lattice Angles
11.15 Lattice C/A Ratio
12 Mechanical
12.1 Density
12.1.1 Density At Room Temperature
2.64 g/cm313.51 g/cm3
0.534
40.7
12.3.3 Density When Liquid (at m.p.)
2.38 g/cm313.85 g/cm3
0.512
20
14.3 Tensile Strength
16.2 Viscosity
16.4 Vapor Pressure
16.4.1 Vapor Pressure at 1000 K
121.00 (Pa)NA
2.47E-11
121
16.5.1 Vapor Pressure at 2000 K
16.7 Elasticity properties
16.7.1 Shear Modulus
16.10.1 Bulk Modulus
16.13.1 Young's Modulus
16.16 Poisson Ratio
16.19 Other Mechanical Properties
17 Magnetic
17.1 Magnetic Characteristics
17.1.1 Specific Gravity
17.4.1 Magnetic Ordering
Paramagnetic
Antiferromagnetic
17.4.2 Permeability
17.4.4 Susceptibility
17.5 Electrical Properties
17.5.1 Electrical Property
17.5.2 Resistivity
132.00 nΩ·m1.25 nΩ·m
0.18
961
17.6.3 Electrical Conductivity
0.08 106/cm ΩNA
0.00666
0.63
17.7.3 Electron Affinity
19 Thermal
19.1 Specific Heat
19.2 Molar Heat Capacity
26.40 J/mol·KNA
16.443
62.7
19.4 Thermal Conductivity
19.6 Critical Temperature
19.8 Thermal Expansion
20.2 Enthalpy
20.2.1 Enthalpy of Vaporization
150.00 kJ/molNA
7.32
799.1
20.3.1 Enthalpy of Fusion
9.16 kJ/mol15.00 kJ/mol
2.1
35.23
20.3.4 Enthalpy of Atomization
20.5 Standard Molar Entropy
55.00 J/mol.KNA
9.5
198.1