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Calcium vs Darmstadtium

Calcium
Darmstadtium
Darmstadtium vs Calcium


Periodic Table
Symbol
Ca   
Ds   
Group Number
2   
16
10   
8
Period Number
4   
7   
Block
s block   
d block   
Element Family
Alkaline Earth   
Probably Transition   
CAS Number
7440702   
21
54083771   
8
Space Group Name
Fm_ 3m   
Not Available   
Space Group Number
225.00   
2
Not Available   
Facts
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.
  
Not Available   
Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals   
Synthetically Produced   
History
  
  
Who Discovered
Humphry Davy   
Gesellschaft für Schwerionenforschung   
Discovery
In 1808   
In 1994   
Abundance
  
  
Abundance In Universe
7 * 10-3 %   
3
Not Available   
Abundance In Sun
~0.007 %   
4
~-9999 %   
Abundance In Meteorites
1.10 %   
4
Not Available   
Abundance In Earth's Crust
5.00 %   
3
Not Available   
Abundance In Oceans
0.00 %   
5
Not Available   
Abundance In Humans
1.40 %   
1
Not Available   
Uses
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 Darmstadtium metal are limited to research purpose only. As only few atoms of this metal are produced.
  
Industrial Uses
Chemical Industry   
NA   
Medical Uses
Dentistry, Pharmaceutical Industry   
NA   
Other Uses
Alloys   
Research Purposes   
Biological Properties
  
  
Toxicity
Non Toxic   
Unknown   
Present in Human Body
Yes   
No   
In Blood
60.50 Blood/mg dm-3   
4
0.00 Blood/mg dm-3   
37
In Bone
170,000.00 p.p.m.   
1
0.00 p.p.m.   
36
Physical Properties
Melting Point
839.00 °C   
99+
Not Available   
Boiling Point
1,484.00 °C   
99+
Not Available   
Appearance
  
  
Physical State
Solid   
Solid   
Color
Gray   
Unknown   
Luster
NA   
Unknown Luster   
Hardness
  
  
Mohs Hardness
1.75   
17
Not Available   
Brinell Hardness
170.00 MPa   
99+
Not Available   
Speed of Sound
3,810.00 m/s   
19
5,090.00 m/s   
9
Optical Properties
  
  
Allotropes
No   
No   
α Allotropes
Not Available   
Not Available   
β Allotropes
Not Available   
Not Available   
γ Allotropes
Not Available   
Not Available   
Chemical Properties
Chemical Formula
Ca   
Ds   
Isotopes
  
  
Known Isotopes
19   
20
9   
29
Electronegativity
  
  
Pauling Electronegativity
1.00   
99+
Not Available   
Sanderson Electronegativity
0.95   
24
Not Available   
Allred Rochow Electronegativity
1.04   
34
Not Available   
Mulliken-Jaffe Electronegativity
1.08   
17
Not Available   
Allen Electronegativity
1.03   
39
Not Available   
Electropositivity
  
  
Pauling Electropositivity
3.00   
9
Not Available   
Ionization Energies
  
  
1st Energy Level
589.80 kJ/mol   
99+
955.20 kJ/mol   
5
2nd Energy Level
1,145.40 kJ/mol   
99+
1,891.10 kJ/mol   
16
3rd Energy Level
4,912.40 kJ/mol   
7
3,029.60 kJ/mol   
25
4th Energy Level
6,491.00 kJ/mol   
7
3,955.90 kJ/mol   
40
5th Energy Level
8,153.00 kJ/mol   
7
5,113.70 kJ/mol   
33
6th Energy Level
10,496.00 kJ/mol   
8
Not Available   
7th Energy level
12,270.00 kJ/mol   
12
Not Available   
8th Energy Level
14,206.00 kJ/mol   
15
Not Available   
9th Energy Level
18,191.00 kJ/mol   
12
Not Available   
10th Energy Level
20,385.00 kJ/mol   
16
Not Available   
11th Energy Level
57,110.00 kJ/mol   
3
Not Available   
12th Energy Level
63,410.00 kJ/mol   
3
Not Available   
13th Energy Level
70,110.00 kJ/mol   
3
Not Available   
14th Energy Level
78,890.00 kJ/mol   
4
Not Available   
15th Energy Level
86,310.00 kJ/mol   
5
Not Available   
16th Energy Level
94,000.00 kJ/mol   
6
Not Available   
17th Energy Level
104,900.00 kJ/mol   
7
Not Available   
18th Energy Level
111,711.00 kJ/mol   
8
Not Available   
Electrochemical Equivalent
0.75 g/amp-hr   
99+
Not Available   
Electron Work Function
2.87 eV   
38
Not Available   
Other Chemical Properties
Chemical Stability, Flammability, Ionization, Solubility   
Ionization, Radioactive Isotopes, Radioactivity   
Atomic Properties
Atomic Number
20   
99+
110   
8
Electron Configuration
[Ar] 4s2   
[Rn] 5f14 6d8 7s2   
Crystal Structure
Face Centered Cubic (FCC)   
Body Centered Cubic (BCC)   
Crystal Lattice
FCC-Crystal-Structure-of-Calcium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
20   
99+
110   
8
Number of Neutrons
20   
99+
161   
3
Number of Electrons
20   
99+
110   
8
Radius of an Atom
  
  
Atomic Radius
197.00 pm   
6
132.00 pm   
99+
Covalent Radius
176.00 pm   
22
128.00 pm   
99+
Van der Waals Radius
231.00 pm   
19
Not Available   
Atomic Weight
40.08 amu   
99+
281.00 amu   
6
Atomic Volume
29.90 cm3/mol   
7
Not Available   
Adjacent Atomic Numbers
  
  
Previous Element
Potassium
  
Meitnerium
  
Next Element
Scandium
  
Roentgenium
  
Valence Electron Potential
29.00 (-eV)   
99+
Not Available   
Lattice Constant
558.84 pm   
9
Not Available   
Lattice Angles
π/2, π/2, π/2   
NA   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
1.55 g/cm3   
99+
Not Available   
Density When Liquid (at m.p.)
1.38 g/cm3   
99+
Not Available   
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
25.50 (Pa)   
3
Not Available   
Elasticity properties
  
  
Shear Modulus
7.40 GPa   
99+
Not Available   
Bulk Modulus
17.00 GPa   
99+
Not Available   
Young's Modulus
20.00 GPa   
99+
Not Available   
Poisson Ratio
0.31   
13
Not Available   
Other Mechanical Properties
NA   
Unknown   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
4.58   
99+
Not Available   
Magnetic Ordering
Diamagnetic   
Unknown   
Electrical Properties
  
  
Electrical Property
Conductor   
Unknown   
Resistivity
33.60 nΩ·m   
99+
Not Available   
Electrical Conductivity
0.30 106/cm Ω   
6
Not Available   
Electron Affinity
2.37 kJ/mol   
39
Not Available   
Thermal Properties
Specific Heat
0.63 J/(kg K)   
7
Not Available   
Molar Heat Capacity
25.93 J/mol·K   
34
Not Available   
Thermal Conductivity
201.00 W/m·K   
5
Not Available   
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
22.30 µm/(m·K)   
19
Not Available   
Enthalpy
  
  
Enthalpy of Vaporization
150.00 kJ/mol   
99+
Not Available   
Enthalpy of Fusion
8.54 kJ/mol   
99+
Not Available   
Enthalpy of Atomization
184.00 kJ/mol   
99+
Not Available   
Standard Molar Entropy
41.60 J/mol.K   
36
Not Available   
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