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
74403487440702
7429905
54386242
1.7 Space Group Name
1.8 Space Group Number
2 Facts
2.1 Interesting Facts
Not Available
- 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.
2.2 Sources
Obtained by Treating Radium with Neutrons, Ores of metals
Earth's crust, Found in Minerals, Mining, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Friedrich Oskar Giesel
Humphry Davy
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
2.4.2 Abundance In Sun
~-9999 %~0.007 %
1E-08
0.1
2.5.1 Abundance In Meteorites
2.8.1 Abundance In Earth's Crust
2.10.1 Abundance In Oceans
2.10.2 Abundance In Humans
4 Uses
4.1 Uses & Benefits
- Actinium metal has a great source of alpha rays but it is hardly used outside research purpose.
- 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.
4.1.1 Industrial Uses
4.1.2 Medical Uses
NA
Dentistry, Pharmaceutical Industry
4.1.3 Other Uses
Alloys, Nuclear Research, Research Purposes
Alloys
4.2 Biological Properties
4.2.1 Toxicity
4.2.2 Present in Human Body
4.2.3 In Blood
0.00 Blood/mg dm-360.50 Blood/mg dm-3
0
1970
4.2.5 In Bone
0.00 p.p.m.170,000.00 p.p.m.
0
170000
5 Physical
5.1 Melting Point
1,227.00 °C839.00 °C
27
3410
5.2 Boiling Point
3,200.00 °C1,484.00 °C
147
5660
5.3 Appearance
5.3.1 Physical State
5.3.2 Color
5.3.3 Luster
5.4 Hardness
5.4.1 Mohs Hardness
5.4.3 Brinell Hardness
5.4.5 Vickers Hardness
6.3 Speed of Sound
6.4 Optical Properties
6.4.1 Refractive Index
7.1.1 Reflectivity
7.2 Allotropes
7.2.1 α Allotropes
Not Available
Not Available
7.2.2 β Allotropes
Not Available
Not Available
7.2.3 γ Allotropes
Not Available
Not Available
8 Chemical
8.1 Chemical Formula
8.2 Isotopes
8.2.1 Known Isotopes
8.4 Electronegativity
8.4.1 Pauling Electronegativity
8.4.2 Sanderson Electronegativity
8.6.2 Allred Rochow Electronegativity
8.6.4 Mulliken-Jaffe Electronegativity
8.6.5 Allen Electronegativity
8.7 Electropositivity
8.7.1 Pauling Electropositivity
8.9 Ionization Energies
8.9.1 1st Energy Level
499.00 kJ/mol589.80 kJ/mol
375.7
26130
8.9.2 2nd Energy Level
1,170.00 kJ/mol1,145.40 kJ/mol
710.2162
28750
8.10.2 3rd Energy Level
1,900.00 kJ/mol4,912.40 kJ/mol
1600
34230
8.11.1 4th Energy Level
4,700.00 kJ/mol6,491.00 kJ/mol
2780
37066
9.2.2 5th Energy Level
NA8,153.00 kJ/mol
4305.2
97510
9.3.2 6th Energy Level
NA10,496.00 kJ/mol
5715.8
105800
9.3.3 7th Energy level
NA12,270.00 kJ/mol
7226.8
114300
9.3.5 8th Energy Level
NA14,206.00 kJ/mol
8857.4
125300
9.3.6 9th Energy Level
NA18,191.00 kJ/mol
14110
134700
9.3.8 10th Energy Level
NA20,385.00 kJ/mol
17100
144300
9.3.10 11th Energy Level
NA57,110.00 kJ/mol
19900
169988
9.3.11 12th Energy Level
NA63,410.00 kJ/mol
22219
189368
9.3.13 13th Energy Level
NA70,110.00 kJ/mol
26930
76015
9.4.2 14th Energy Level
NA78,890.00 kJ/mol
29196
86450
9.5.2 15th Energy Level
NA86,310.00 kJ/mol
41987
97510
9.5.4 16th Energy Level
NA94,000.00 kJ/mol
47206
109480
9.5.5 17th Energy Level
NA104,900.00 kJ/mol
52737
122200
9.5.7 18th Energy Level
NA111,711.00 kJ/mol
58570
134810
9.5.9 19th Energy Level
9.5.10 20th Energy Level
9.5.12 21st Energy Level
9.5.14 22nd Energy Level
9.5.15 23rd Energy Level
9.5.17 24th Energy Level
9.5.19 25th Energy Level
9.5.20 26th Energy Level
9.5.22 27th Energy Level
9.5.23 28th Energy Level
9.5.25 29th Energy Level
9.5.26 30th Energy Level
9.6 Electrochemical Equivalent
2.82 g/amp-hr0.75 g/amp-hr
0.16812
8.3209
9.7 Electron Work Function
9.8 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Chemical Stability, Flammability, Ionization, Solubility
10 Atomic
10.1 Atomic Number
10.2 Electron Configuration
10.3 Crystal Structure
Face Centered Cubic (FCC)
Face Centered Cubic (FCC)
10.3.1 Crystal Lattice
10.4 Atom
10.4.1 Number of Protons
10.4.3 Number of Neutrons
10.4.5 Number of Electrons
10.5 Radius of an Atom
10.5.1 Atomic Radius
195.00 pm197.00 pm
112
265
10.5.4 Covalent Radius
10.5.6 Van der Waals Radius
10.6 Atomic Weight
227.00 amu40.08 amu
6.94
294
10.7 Atomic Volume
22.54 cm3/mol29.90 cm3/mol
1.39
71.07
10.8 Adjacent Atomic Numbers
10.8.1 Previous Element
10.8.2 Next Element
10.9 Valence Electron Potential
38.60 (-eV)29.00 (-eV)
8
392.42
10.10 Lattice Constant
567.00 pm558.84 pm
228.58
891.25
10.11 Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
10.12 Lattice C/A Ratio
11 Mechanical
11.1 Density
11.1.1 Density At Room Temperature
10.00 g/cm31.55 g/cm3
0.534
40.7
11.1.4 Density When Liquid (at m.p.)
11.3 Tensile Strength
11.4 Viscosity
11.5 Vapor Pressure
11.5.1 Vapor Pressure at 1000 K
NA25.50 (Pa)
2.47E-11
121
11.6.1 Vapor Pressure at 2000 K
12.2 Elasticity properties
12.2.1 Shear Modulus
12.5.2 Bulk Modulus
12.5.4 Young's Modulus
12.6 Poisson Ratio
12.7 Other Mechanical Properties
13 Magnetic
13.1 Magnetic Characteristics
13.1.1 Specific Gravity
13.2.2 Magnetic Ordering
13.2.3 Permeability
13.2.4 Susceptibility
13.3 Electrical Properties
13.3.1 Electrical Property
13.3.2 Resistivity
13.4.1 Electrical Conductivity
NA0.30 106/cm Ω
0.00666
0.63
13.4.2 Electron Affinity
14 Thermal
14.1 Specific Heat
0.12 J/(kg K)0.63 J/(kg K)
0.11
3.6
14.4 Molar Heat Capacity
27.20 J/mol·K25.93 J/mol·K
16.443
62.7
14.6 Thermal Conductivity
12.00 W/m·K201.00 W/m·K
6.3
429
14.9 Critical Temperature
15.2 Thermal Expansion
15.3 Enthalpy
15.3.1 Enthalpy of Vaporization
NA150.00 kJ/mol
7.32
799.1
15.3.2 Enthalpy of Fusion
15.5.1 Enthalpy of Atomization
301.00 kJ/mol184.00 kJ/mol
61.5
837
15.7 Standard Molar Entropy
56.50 J/mol.K41.60 J/mol.K
9.5
198.1