1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.4 Block
1.5 Element Family
1.6 CAS Number
74407027440111
7429905
54386242
1.7 Space Group Name
1.8 Space Group Number
2 Facts
2.1 Interesting Facts
- Calcium ranks 5th rank in the list of earth’s abundance Percentage.
- It is found in the compound state.
- Gypsum or calcium sulfate is used as plaster and plaster of paris.
- Mendelevium metal is synthetically produced metal.
- Mendelevium metal has been produced in only trace amount.
2.2 Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals
Bombarding Einsteinium with Helium Ions
2.3 History
2.3.1 Who Discovered
Humphry Davy
Lawrence Berkeley National Laboratory
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
2.4.2 Abundance In Sun
~0.007 %~-9999 %
1E-08
0.1
2.4.3 Abundance In Meteorites
2.4.4 Abundance In Earth's Crust
2.4.5 Abundance In Oceans
2.4.6 Abundance In Humans
3 Uses
3.1 Uses & Benefits
- It is used as a reducing agent while preparing metals like thorium and uranium. It is also used as an alloying agent for metals such as aluminum, copper & lead.
- Calcium carbonate or lime stone is used in cement.
- Currently known uses of Mendelevium metal are limited to research purpose only.
3.1.1 Industrial Uses
3.1.2 Medical Uses
Dentistry, Pharmaceutical Industry
NA
3.1.3 Other Uses
3.2 Biological Properties
3.2.1 Toxicity
3.2.2 Present in Human Body
3.2.3 In Blood
60.50 Blood/mg dm-30.00 Blood/mg dm-3
0
1970
3.2.4 In Bone
170,000.00 p.p.m.0.00 p.p.m.
0
170000
4 Physical
4.1 Melting Point
839.00 °C827.00 °C
27
3410
4.2 Boiling Point
4.3 Appearance
4.3.1 Physical State
4.3.2 Color
4.3.3 Luster
4.4 Hardness
4.4.1 Mohs Hardness
4.4.2 Brinell Hardness
4.4.3 Vickers Hardness
4.5 Speed of Sound
4.6 Optical Properties
4.6.1 Refractive Index
4.6.2 Reflectivity
4.7 Allotropes
4.7.1 α Allotropes
Not Available
Not Available
4.7.2 β Allotropes
Not Available
Not Available
4.7.3 γ Allotropes
Not Available
Not Available
5 Chemical
5.1 Chemical Formula
5.2 Isotopes
5.2.1 Known Isotopes
5.3 Electronegativity
5.3.1 Pauling Electronegativity
5.3.2 Sanderson Electronegativity
5.3.3 Allred Rochow Electronegativity
5.3.4 Mulliken-Jaffe Electronegativity
5.3.5 Allen Electronegativity
5.4 Electropositivity
5.4.1 Pauling Electropositivity
5.5 Ionization Energies
5.5.1 1st Energy Level
589.80 kJ/mol635.00 kJ/mol
375.7
26130
5.5.2 2nd Energy Level
1,145.40 kJ/mol1,235.00 kJ/mol
710.2162
28750
5.5.3 3rd Energy Level
4,912.40 kJ/mol2,470.00 kJ/mol
1600
34230
5.5.4 4th Energy Level
6,491.00 kJ/mol3,840.00 kJ/mol
2780
37066
5.5.5 5th Energy Level
8,153.00 kJ/molNA
4305.2
97510
5.5.6 6th Energy Level
10,496.00 kJ/molNA
5715.8
105800
5.5.7 7th Energy level
12,270.00 kJ/molNA
7226.8
114300
5.5.8 8th Energy Level
14,206.00 kJ/molNA
8857.4
125300
5.5.9 9th Energy Level
18,191.00 kJ/molNA
14110
134700
5.5.10 10th Energy Level
20,385.00 kJ/molNA
17100
144300
5.5.11 11th Energy Level
57,110.00 kJ/molNA
19900
169988
5.5.12 12th Energy Level
63,410.00 kJ/molNA
22219
189368
5.5.13 13th Energy Level
70,110.00 kJ/molNA
26930
76015
5.5.14 14th Energy Level
78,890.00 kJ/molNA
29196
86450
5.5.15 15th Energy Level
86,310.00 kJ/molNA
41987
97510
5.5.16 16th Energy Level
94,000.00 kJ/molNA
47206
109480
5.5.17 17th Energy Level
104,900.00 kJ/molNA
52737
122200
5.5.18 18th Energy Level
111,711.00 kJ/molNA
58570
134810
5.5.19 19th Energy Level
5.5.20 20th Energy Level
5.5.21 21st Energy Level
5.5.22 22nd Energy Level
5.5.23 23rd Energy Level
5.5.24 24th Energy Level
5.5.25 25th Energy Level
5.5.26 26th Energy Level
5.5.27 27th Energy Level
5.5.28 28th Energy Level
5.5.29 29th Energy Level
5.5.30 30th Energy Level
5.6 Electrochemical Equivalent
0.75 g/amp-hr3.21 g/amp-hr
0.16812
8.3209
5.7 Electron Work Function
5.8 Other Chemical Properties
Chemical Stability, Flammability, Ionization, Solubility
Ionization, Radioactive Isotopes, Radioactivity
6 Atomic
6.1 Atomic Number
6.2 Electron Configuration
6.3 Crystal Structure
Face Centered Cubic (FCC)
Not Known
6.3.1 Crystal Lattice
6.4 Atom
6.4.1 Number of Protons
6.4.2 Number of Neutrons
6.4.3 Number of Electrons
6.5 Radius of an Atom
6.5.1 Atomic Radius
6.5.2 Covalent Radius
6.5.3 Van der Waals Radius
231.00 pm246.00 pm
139
348
6.6 Atomic Weight
40.08 amu258.00 amu
6.94
294
6.7 Atomic Volume
29.90 cm3/molNA
1.39
71.07
6.8 Adjacent Atomic Numbers
6.8.1 Previous Element
6.8.2 Next Element
6.9 Valence Electron Potential
6.10 Lattice Constant
558.84 pmNA
228.58
891.25
6.11 Lattice Angles
6.12 Lattice C/A Ratio
7 Mechanical
7.1 Density
7.1.1 Density At Room Temperature
7.1.2 Density When Liquid (at m.p.)
7.2 Tensile Strength
7.3 Viscosity
7.4 Vapor Pressure
7.4.1 Vapor Pressure at 1000 K
25.50 (Pa)NA
2.47E-11
121
7.4.2 Vapor Pressure at 2000 K
7.5 Elasticity properties
7.5.1 Shear Modulus
7.5.2 Bulk Modulus
1.1.1 Young's Modulus
1.3 Poisson Ratio
1.4 Other Mechanical Properties
2 Magnetic
2.1 Magnetic Characteristics
2.1.1 Specific Gravity
2.3.2 Magnetic Ordering
2.3.3 Permeability
1.1.2 Susceptibility
1.2 Electrical Properties
1.2.1 Electrical Property
1.2.2 Resistivity
1.3.2 Electrical Conductivity
0.30 106/cm ΩNA
0.00666
0.63
1.6.2 Electron Affinity
2 Thermal
2.1 Specific Heat
2.2 Molar Heat Capacity
25.93 J/mol·KNA
16.443
62.7
2.3 Thermal Conductivity
2.5 Critical Temperature
2.7 Thermal Expansion
2.9 Enthalpy
2.9.1 Enthalpy of Vaporization
150.00 kJ/molNA
7.32
799.1
2.9.2 Enthalpy of Fusion
2.9.3 Enthalpy of Atomization
2.10 Standard Molar Entropy
41.60 J/mol.KNA
9.5
198.1