1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.4 Block
1.5 Element Family
Alkaline Earth
Alkaline Earth
1.6 CAS Number
74407027440144
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.
- Radium metal is the heaviest metal of Alkaline earth metals column.
- Radium metal is highly radioactive and does not have any stable isotopes.
2.2 Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals
Mining, Ores of metals
2.3 History
2.3.1 Who Discovered
Humphry Davy
Not Available
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
1.2.1 Abundance In Sun
~0.007 %~-9999 %
1E-08
0.1
1.2.2 Abundance In Meteorites
1.3.1 Abundance In Earth's Crust
1.6.1 Abundance In Oceans
1.8.1 Abundance In Humans
2 Uses
2.1 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.
- It is a highly radioactive metal; and sometime Radium-223 is used to treat prostate cancer.
-
It is used in luminous paints.
2.1.1 Industrial Uses
2.1.2 Medical Uses
Dentistry, Pharmaceutical Industry
Pharmaceutical Industry
2.1.3 Other Uses
2.2 Biological Properties
2.2.1 Toxicity
2.2.2 Present in Human Body
2.2.3 In Blood
60.50 Blood/mg dm-3NA
0
1970
2.2.4 In Bone
170,000.00 p.p.m.NA
0
170000
3 Physical
3.1 Melting Point
839.00 °C700.00 °C
27
3410
3.2 Boiling Point
1,484.00 °C1,737.00 °C
147
5660
3.3 Appearance
3.3.1 Physical State
3.3.2 Color
3.3.3 Luster
3.4 Hardness
3.4.1 Mohs Hardness
3.4.2 Brinell Hardness
3.4.3 Vickers Hardness
3.5 Speed of Sound
3.6 Optical Properties
3.6.1 Refractive Index
3.6.2 Reflectivity
3.7 Allotropes
3.7.1 α Allotropes
Not Available
Not Available
3.7.2 β Allotropes
Not Available
Not Available
3.7.3 γ Allotropes
Not Available
Not Available
4 Chemical
4.1 Chemical Formula
4.2 Isotopes
4.2.1 Known Isotopes
4.3 Electronegativity
4.3.1 Pauling Electronegativity
4.3.2 Sanderson Electronegativity
4.3.3 Allred Rochow Electronegativity
4.3.4 Mulliken-Jaffe Electronegativity
4.3.5 Allen Electronegativity
4.4 Electropositivity
4.4.1 Pauling Electropositivity
4.5 Ionization Energies
4.5.1 1st Energy Level
589.80 kJ/mol509.30 kJ/mol
375.7
26130
4.5.2 2nd Energy Level
1,145.40 kJ/mol979.00 kJ/mol
710.2162
28750
4.5.3 3rd Energy Level
4,912.40 kJ/molNA
1600
34230
4.5.4 4th Energy Level
6,491.00 kJ/molNA
2780
37066
4.5.5 5th Energy Level
8,153.00 kJ/molNA
4305.2
97510
4.5.6 6th Energy Level
10,496.00 kJ/molNA
5715.8
105800
4.5.7 7th Energy level
12,270.00 kJ/molNA
7226.8
114300
4.5.8 8th Energy Level
14,206.00 kJ/molNA
8857.4
125300
4.5.9 9th Energy Level
18,191.00 kJ/molNA
14110
134700
4.5.10 10th Energy Level
20,385.00 kJ/molNA
17100
144300
4.5.11 11th Energy Level
57,110.00 kJ/molNA
19900
169988
4.5.12 12th Energy Level
63,410.00 kJ/molNA
22219
189368
4.5.13 13th Energy Level
70,110.00 kJ/molNA
26930
76015
4.5.14 14th Energy Level
78,890.00 kJ/molNA
29196
86450
4.5.15 15th Energy Level
86,310.00 kJ/molNA
41987
97510
4.5.16 16th Energy Level
94,000.00 kJ/molNA
47206
109480
4.5.17 17th Energy Level
104,900.00 kJ/molNA
52737
122200
4.5.18 18th Energy Level
111,711.00 kJ/molNA
58570
134810
4.5.19 19th Energy Level
4.5.20 20th Energy Level
4.5.21 21st Energy Level
4.5.22 22nd Energy Level
4.5.23 23rd Energy Level
4.5.24 24th Energy Level
4.5.25 25th Energy Level
4.5.26 26th Energy Level
4.5.27 27th Energy Level
4.5.28 28th Energy Level
4.5.29 29th Energy Level
4.5.30 30th Energy Level
4.6 Electrochemical Equivalent
0.75 g/amp-hr4.22 g/amp-hr
0.16812
8.3209
4.7 Electron Work Function
4.8 Other Chemical Properties
Chemical Stability, Flammability, Ionization, Solubility
Ionization, Radioactive Isotopes, Radioactivity
5 Atomic
5.1 Atomic Number
5.2 Electron Configuration
5.3 Crystal Structure
Face Centered Cubic (FCC)
Body Centered Cubic (BCC)
5.3.1 Crystal Lattice
5.4 Atom
5.4.1 Number of Protons
5.4.2 Number of Neutrons
5.4.3 Number of Electrons
5.5 Radius of an Atom
5.5.1 Atomic Radius
5.5.2 Covalent Radius
176.00 pm221.00 pm
96
260
5.5.3 Van der Waals Radius
231.00 pm283.00 pm
139
348
5.6 Atomic Weight
40.08 amu226.00 amu
6.94
294
5.7 Atomic Volume
29.90 cm3/mol45.20 cm3/mol
1.39
71.07
5.8 Adjacent Atomic Numbers
5.8.1 Previous Element
5.8.2 Next Element
5.9 Valence Electron Potential
29.00 (-eV)20.10 (-eV)
8
392.42
5.10 Lattice Constant
558.84 pm514.80 pm
228.58
891.25
5.11 Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
5.12 Lattice C/A Ratio
6 Mechanical
6.1 Density
6.1.1 Density At Room Temperature
1.55 g/cm35.50 g/cm3
0.534
40.7
6.1.2 Density When Liquid (at m.p.)
6.2 Tensile Strength
6.3 Viscosity
6.4 Vapor Pressure
6.4.1 Vapor Pressure at 1000 K
25.50 (Pa)NA
2.47E-11
121
6.4.2 Vapor Pressure at 2000 K
6.5 Elasticity properties
6.5.1 Shear Modulus
6.5.2 Bulk Modulus
6.5.3 Young's Modulus
6.6 Poisson Ratio
6.7 Other Mechanical Properties
7 Magnetic
7.1 Magnetic Characteristics
7.1.1 Specific Gravity
7.1.2 Magnetic Ordering
7.1.3 Permeability
7.1.4 Susceptibility
7.2 Electrical Properties
7.2.1 Electrical Property
7.2.2 Resistivity
33.60 nΩ·m100.00 nΩ·m
0.18
961
7.2.3 Electrical Conductivity
0.30 106/cm ΩNA
0.00666
0.63
7.2.4 Electron Affinity
8 Thermal
8.1 Specific Heat
0.63 J/(kg K)0.12 J/(kg K)
0.11
3.6
8.2 Molar Heat Capacity
25.93 J/mol·KNA
16.443
62.7
8.3 Thermal Conductivity
201.00 W/m·K18.60 W/m·K
6.3
429
8.4 Critical Temperature
8.5 Thermal Expansion
8.6 Enthalpy
8.6.1 Enthalpy of Vaporization
150.00 kJ/molNA
7.32
799.1
8.6.2 Enthalpy of Fusion
8.6.3 Enthalpy of Atomization
184.00 kJ/mol163.00 kJ/mol
61.5
837
8.7 Standard Molar Entropy
41.60 J/mol.K71.00 J/mol.K
9.5
198.1