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Calcium
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1 Periodic Table
1.1 Symbol
Ca
Fe
1.2 Group Number
28
Gadolinium
0 17
1.3 Period Number
44
Lithium
2 7
1.4 Block
s block
d block
1.5 Element Family
Alkaline Earth
Transition Metal
1.6 CAS Number
74407027439896
Aluminium
7429905 54386242
1.7 Space Group Name
Fm_ 3m
Im_ 3m
1.8 Space Group Number
225.00229.00
Plutonium
11 229
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.
  • Iron is not always magnetic in nature, its allotrope are ferromagnetic and the B allotrope is nonmagnetic.
  • The blood consists Iron in hemoglobin molecules to transfer Oxygen in the body.
2.2 Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals
Earth's crust, Found in Minerals
2.3 History
2.3.1 Who Discovered
Humphry Davy
Unknown
2.3.2 Discovery
In 1808
Before 5000 BC
2.4 Abundance
2.4.1 Abundance In Universe
7 * 10-3 %1.1 * 10-1 %
Thallium
5E-09 0.11
2.4.3 Abundance In Sun
~0.007 %~0.1 %
Beryllium
1E-08 0.1
2.4.5 Abundance In Meteorites
1.10 %22.00 %
Gold
1.7E-07 22
2.4.6 Abundance In Earth's Crust
5.00 %6.30 %
Radium
9.9E-12 8.1
2.4.8 Abundance In Oceans
0.00 %0.00 %
Protactinium
2E-23 1.1
2.4.10 Abundance In Humans
1.40 %0.01 %
Radium
1E-13 1.4
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.
  • Iron metal alloy steel is used in the application of civil engineering and manufacturing.
  • Alloys of iron with nickel, vanadium, chromium, tungsten and manganese have very useful properties.
3.1.1 Industrial Uses
Chemical Industry
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry
3.1.2 Medical Uses
Dentistry, Pharmaceutical Industry
Pharmaceutical Industry, Surgical Instruments Manufacturing
3.1.3 Other Uses
Alloys
Alloys, Sculptures, Statues
3.2 Biological Properties
3.2.1 Toxicity
Non Toxic
Non Toxic
3.2.2 Present in Human Body
3.2.3 In Blood
60.50 Blood/mg dm-3447.00 Blood/mg dm-3
Plutonium
0 1970
3.2.5 In Bone
170,000.00 p.p.m.380.00 p.p.m.
Plutonium
0 170000
4 Physical
4.1 Melting Point
839.00 °C1,535.00 °C
Francium
27 3410
4.2 Boiling Point
1,484.00 °C2,750.00 °C
Flerovium
147 5660
4.3 Appearance
4.3.1 Physical State
Solid
Solid
4.3.2 Color
Gray
Gray
4.3.3 Luster
NA
Metallic
4.4 Hardness
4.4.1 Mohs Hardness
1.754.00
Cesium
0.2 8.5
4.4.3 Brinell Hardness
170.00 MPa200.00 MPa
Cesium
0.14 3490
4.4.5 Vickers Hardness
NA608.00 MPa
Palladium
121 3430
4.5 Speed of Sound
3,810.00 m/s5,120.00 m/s
Thallium
818 16200
4.7 Optical Properties
4.7.1 Refractive Index
NANA
Mercury
1.000933 1.7229
4.7.2 Reflectivity
NA65.00 %
Molybdenum
58 97
4.9 Allotropes
4.9.1 α Allotropes
Not Available
Ferrite (alpha Iron)
4.9.2 β Allotropes
Not Available
beta Iron
4.9.3 γ Allotropes
Not Available
gamma Iron
5 Chemical
5.1 Chemical Formula
Ca
Fe
5.2 Isotopes
5.2.1 Known Isotopes
1926
Tennessine
0 38
6.2 Electronegativity
6.2.1 Pauling Electronegativity
1.001.83
Francium
0.7 2.54
6.2.2 Sanderson Electronegativity
0.952.20
Cesium
0.22 2.56
6.5.2 Allred Rochow Electronegativity
1.041.64
Cesium
0.86 1.82
6.5.3 Mulliken-Jaffe Electronegativity
1.08NA
Cesium
0.62 2.48
6.5.5 Allen Electronegativity
1.031.80
Cesium
0.659 2.7
6.6 Electropositivity
6.6.1 Pauling Electropositivity
3.002.17
Gold
1.46 3.3
6.7 Ionization Energies
6.7.1 1st Energy Level
589.80 kJ/mol762.50 kJ/mol
Cesium
375.7 26130
6.8.3 2nd Energy Level
1,145.40 kJ/mol1,561.90 kJ/mol
Ruthenium
710.2162 28750
6.8.5 3rd Energy Level
4,912.40 kJ/mol2,957.00 kJ/mol
Osmium
1600 34230
6.9.1 4th Energy Level
6,491.00 kJ/mol5,290.00 kJ/mol
Thorium
2780 37066
6.9.2 5th Energy Level
8,153.00 kJ/mol7,240.00 kJ/mol
Dubnium
4305.2 97510
6.10.1 6th Energy Level
10,496.00 kJ/mol9,560.00 kJ/mol
Seaborgium
5715.8 105800
6.10.2 7th Energy level
12,270.00 kJ/mol12,060.00 kJ/mol
Bohrium
7226.8 114300
6.12.1 8th Energy Level
14,206.00 kJ/mol14,580.00 kJ/mol
Hassium
8857.4 125300
6.13.1 9th Energy Level
18,191.00 kJ/mol22,540.00 kJ/mol
Yttrium
14110 134700
6.13.2 10th Energy Level
20,385.00 kJ/mol25,290.00 kJ/mol
Strontium
17100 144300
6.15.1 11th Energy Level
57,110.00 kJ/mol28,000.00 kJ/mol
Yttrium
19900 169988
7.1.2 12th Energy Level
63,410.00 kJ/mol31,920.00 kJ/mol
Molybdenum
22219 189368
7.1.4 13th Energy Level
70,110.00 kJ/mol34,830.00 kJ/mol
Molybdenum
26930 76015
7.1.5 14th Energy Level
78,890.00 kJ/mol37,840.00 kJ/mol
Molybdenum
29196 86450
7.2.1 15th Energy Level
86,310.00 kJ/mol44,100.00 kJ/mol
Manganese
41987 97510
7.3.1 16th Energy Level
94,000.00 kJ/mol47,206.00 kJ/mol
Copper
47206 109480
7.4.2 17th Energy Level
104,900.00 kJ/mol122,200.00 kJ/mol
Cobalt
52737 122200
7.4.3 18th Energy Level
111,711.00 kJ/mol131,000.00 kJ/mol
Nickel
58570 134810
7.4.5 19th Energy Level
NA140,500.00 kJ/mol
Copper
64702 148700
7.5.2 20th Energy Level
NA152,600.00 kJ/mol
Molybdenum
80400 171200
7.5.3 21st Energy Level
NA163,000.00 kJ/mol
Molybdenum
87000 179100
7.5.4 22nd Energy Level
NA173,600.00 kJ/mol
Molybdenum
93400 184900
7.5.6 23rd Energy Level
NA188,100.00 kJ/mol
Molybdenum
98420 198800
7.5.7 24th Energy Level
NA195,200.00 kJ/mol
Molybdenum
104400 195200
7.5.8 25th Energy Level
NANA
Molybdenum
121900 121900
7.5.10 26th Energy Level
NANA
Molybdenum
127700 127700
7.5.11 27th Energy Level
NANA
Molybdenum
133800 133800
7.5.12 28th Energy Level
NANA
Molybdenum
139800 139800
7.6.1 29th Energy Level
NANA
Molybdenum
148100 148100
7.6.2 30th Energy Level
NANA
Molybdenum
154500 154500
8.2 Electrochemical Equivalent
0.75 g/amp-hr0.69 g/amp-hr
Beryllium
0.16812 8.3209
8.3 Electron Work Function
2.87 eV4.70 eV
Cesium
2.14 5.65
8.4 Other Chemical Properties
Chemical Stability, Flammability, Ionization, Solubility
Corrosion, Ionization, Solubility
9 Atomic
9.1 Atomic Number
2026
Lithium
3 117
9.3 Electron Configuration
[Ar] 4s2
[Ar] 3d6 4s2
9.4 Crystal Structure
Face Centered Cubic (FCC)
Body Centered Cubic (BCC)
9.4.1 Crystal Lattice
9.5 Atom
9.5.1 Number of Protons
2026
Lithium
3 117
9.5.2 Number of Neutrons
2030
Lithium
4 184
9.5.4 Number of Electrons
2026
Lithium
3 117
9.6 Radius of an Atom
9.6.1 Atomic Radius
197.00 pm126.00 pm
Beryllium
112 265
9.6.3 Covalent Radius
176.00 pm132.00 pm
Beryllium
96 260
9.6.4 Van der Waals Radius
231.00 pm200.00 pm
Zinc
139 348
10.2 Atomic Weight
40.08 amu55.85 amu
Lithium
6.94 294
10.4 Atomic Volume
29.90 cm3/mol7.10 cm3/mol
Manganese
1.39 71.07
10.6 Adjacent Atomic Numbers
10.6.1 Previous Element
10.6.2 Next Element
10.7 Valence Electron Potential
29.00 (-eV)67.00 (-eV)
Francium
8 392.42
10.8 Lattice Constant
558.84 pm286.65 pm
Beryllium
228.58 891.25
10.10 Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
10.11 Lattice C/A Ratio
NANA
Beryllium
1.567 1.886
11 Mechanical
11.1 Density
11.1.1 Density At Room Temperature
1.55 g/cm37.87 g/cm3
Lithium
0.534 40.7
11.2.1 Density When Liquid (at m.p.)
1.38 g/cm36.98 g/cm3
Lithium
0.512 20
11.4 Tensile Strength
NA11,000.00 MPa
Indium
2.5 11000
11.5 Viscosity
NANA
Mercury
0.001526 0.001526
11.6 Vapor Pressure
11.6.1 Vapor Pressure at 1000 K
25.50 (Pa)0.00 (Pa)
Cerium
2.47E-11 121
11.6.3 Vapor Pressure at 2000 K
NA36.80 (Pa)
Tungsten
2.62E-10 774
11.7 Elasticity properties
11.7.1 Shear Modulus
7.40 GPa82.00 GPa
Potassium
1.3 222
11.7.2 Bulk Modulus
17.00 GPa170.00 GPa
Cesium
1.6 462
11.8.1 Young's Modulus
20.00 GPa211.00 GPa
Cesium
1.7 528
11.9 Poisson Ratio
0.310.29
Beryllium
0.032 0.47
11.10 Other Mechanical Properties
NA
Ductile, Malleable, Weldable
12 Magnetic
12.1 Magnetic Characteristics
12.1.1 Specific Gravity
4.587.20
Lithium
0.53 4500
12.1.2 Magnetic Ordering
Diamagnetic
Ferromagnetic
12.1.3 Permeability
NA6.3 * 10-3 H/m
Bismuth
1.25643E-06 0.0063
12.1.4 Susceptibility
NA2,00,000.00
Bismuth
-0.000166 200000
12.2 Electrical Properties
12.2.1 Electrical Property
Conductor
Conductor
12.2.2 Resistivity
33.60 nΩ·m96.10 nΩ·m
Thallium
0.18 961
12.2.3 Electrical Conductivity
0.30 106/cm Ω0.10 106/cm Ω
Plutonium
0.00666 0.63
12.2.4 Electron Affinity
2.37 kJ/mol15.70 kJ/mol
Mercury
0 222.8
13 Thermal
13.1 Specific Heat
0.63 J/(kg K)0.44 J/(kg K)
Americium
0.11 3.6
13.2 Molar Heat Capacity
25.93 J/mol·K25.10 J/mol·K
Beryllium
16.443 62.7
13.3 Thermal Conductivity
201.00 W/m·K80.40 W/m·K
Neptunium
6.3 429
13.4 Critical Temperature
NANA
Ytterbium
26.3 3223
13.5 Thermal Expansion
22.30 µm/(m·K)11.80 µm/(m·K)
Tungsten
4.5 97
13.6 Enthalpy
13.6.1 Enthalpy of Vaporization
150.00 kJ/mol351.00 kJ/mol
Zinc
7.32 799.1
13.6.2 Enthalpy of Fusion
8.54 kJ/mol14.90 kJ/mol
Cesium
2.1 35.23
13.6.3 Enthalpy of Atomization
184.00 kJ/mol414.20 kJ/mol
Mercury
61.5 837
13.7 Standard Molar Entropy
41.60 J/mol.K27.30 J/mol.K
Beryllium
9.5 198.1