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Calcium vs Indium


Indium vs Calcium


Periodic Table

Symbol
Ca  
In  

Group Number
2  
16
13  
5

Period Number
4  
5  

Block
s block  
p block  

Element Family
Alkaline Earth  
Post-​Transition  

CAS Number
7440702  
21
7440746  
17

Space Group Name
Fm_ 3m  
I4/mmm  

Space Group Number
225.00  
3
139.00  
11

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.
  
  • Luster of Indium is bright in nature.
  • Reich and richer were looking for thallium in zinc metal and they discovered Indium metal.
  

Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals  
Mining, Ores of metals  

History
  
  

Who Discovered
Humphry Davy  
Ferdinand Reich and Hieronymous Theodor Richter  

Discovery
In 1808  
In 1863  

Abundance
  
  

Abundance In Universe
0.01 %  
4
0.00 %  
29

Abundance In Sun
0.01 %  
4
0.00 %  
23

Abundance In Meteorites
1.10 %  
4
0.00 %  
99+

Abundance In Earth's Crust
5.00 %  
3
0.00 %  
99+

Abundance In Oceans
0.00 %  
5
0.00 %  
99+

Abundance In Humans
1.40 %  
1
0.00 %  
16

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.
  
  • It is used to produce indium tin oxide (ITO), it is used in manufacturing touch screens, flat screen TVs and solar panels.
  • Its nitride, phosphide and antimonide are used in transistors and microchips.
  

Industrial Uses
Chemical Industry  
Aerospace Industry, Automobile Industry  

Medical Uses
Dentistry, Pharmaceutical Industry  
Medical Research  

Other Uses
Alloys  
Alloys, In Nuclear Reactors  

Biological Properties
  
  

Toxicity
Non Toxic  
Non Toxic  

Present in Human Body
Yes  
Yes  

In Blood
60.50 Blood/mg dm-3  
4
0.00 Blood/mg dm-3  
40

In Bone
170,000.00 p.p.m.  
1
0.00 p.p.m.  
99+

Physical

Melting Point
839.00 °C  
99+
156.61 °C  
99+

Boiling Point
1,484.00 °C  
99+
2,000.00 °C  
99+

Appearance
  
  

Physical State
Solid  
Solid  

Color
Gray  
Silvery Gray  

Luster
-  
Lustrous  

Hardness
  
  

Mohs Hardness
1.75  
18
1.20  
21

Brinell Hardness
170.00 MPa  
99+
8.80 MPa  
99+

Vickers Hardness
170.00 MPa  
99+
0.01 MPa  
99+

Speed of Sound
3,810.00 m/s  
26
1,215.00 m/s  
99+

Optical Properties
  
  

Refractive Index
1.54  
35
3.41  
1

Reflectivity
60.00 %  
23
83.00 %  
6

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Ca  
In  

Isotopes
  
  

Known Isotopes
19  
20
35  
4

Electronegativity
  
  

Pauling Electronegativity
1.00  
99+
1.78  
17

Sanderson Electronegativity
0.95  
99+
2.14  
9

Allred Rochow Electronegativity
1.04  
35
1.49  
14

Mulliken-Jaffe Electronegativity
1.08  
99+
1.76  
18

Allen Electronegativity
1.03  
99+
1.66  
21

Electropositivity
  
  

Pauling Electropositivity
3.00  
9
2.22  
38

Ionization Energies
  
  

1st Energy Level
589.80 kJ/mol  
99+
558.30 kJ/mol  
99+

2nd Energy Level
1,145.40 kJ/mol  
99+
1,820.70 kJ/mol  
19

3rd Energy Level
4,912.40 kJ/mol  
7
2,704.00 kJ/mol  
40

4th Energy Level
6,491.00 kJ/mol  
15
5,210.00 kJ/mol  
26

5th Energy Level
8,153.00 kJ/mol  
11
5,580.00 kJ/mol  
99+

6th Energy Level
10,496.00 kJ/mol  
14
5,580.00 kJ/mol  
99+

7th Energy level
12,270.00 kJ/mol  
12
5,580.00 kJ/mol  
99+

8th Energy Level
14,206.00 kJ/mol  
15
5,580.00 kJ/mol  
99+

9th Energy Level
18,191.00 kJ/mol  
12
5,580.00 kJ/mol  
99+

10th Energy Level
20,385.00 kJ/mol  
16
5,580.00 kJ/mol  
99+

11th Energy Level
57,110.00 kJ/mol  
3
5,580.00 kJ/mol  
99+

12th Energy Level
63,410.00 kJ/mol  
9
5,580.00 kJ/mol  
99+

13th Energy Level
70,110.00 kJ/mol  
3
5,580.00 kJ/mol  
99+

14th Energy Level
78,890.00 kJ/mol  
4
558.30 kJ/mol  
99+

15th Energy Level
86,310.00 kJ/mol  
11
55,800.00 kJ/mol  
99+

16th Energy Level
94,000.00 kJ/mol  
6
558.30 kJ/mol  
99+

17th Energy Level
104,900.00 kJ/mol  
7
558.30 kJ/mol  
99+

18th Energy Level
111,711.00 kJ/mol  
8
5,580.00 kJ/mol  
99+

19th Energy Level
590.60 kJ/mol  
99+
558.30 kJ/mol  
99+

20th Energy Level
590.00 kJ/mol  
99+
558.00 kJ/mol  
99+

21st Energy Level
590.60 kJ/mol  
99+
558.30 kJ/mol  
99+

22nd Energy Level
590.00 kJ/mol  
99+
558.00 kJ/mol  
99+

23rd Energy Level
590.60 kJ/mol  
99+
5,581.00 kJ/mol  
24

24th Energy Level
590.60 kJ/mol  
99+
558.30 kJ/mol  
99+

25th Energy Level
590.00 kJ/mol  
99+
558.00 kJ/mol  
99+

26th Energy Level
590.60 kJ/mol  
99+
558.30 kJ/mol  
99+

27th Energy Level
590.60 kJ/mol  
99+
558.30 kJ/mol  
99+

28th Energy Level
590.60 kJ/mol  
99+
558.30 kJ/mol  
99+

29th Energy Level
590.60 kJ/mol  
99+
558.30 kJ/mol  
99+

30th Energy Level
590.00 kJ/mol  
99+
558.00 kJ/mol  
99+

Electrochemical Equivalent
0.75 g/amp-hr  
99+
1.43 g/amp-hr  
99+

Electron Work Function
2.87 eV  
99+
4.12 eV  
31

Other Chemical Properties
Chemical Stability, Flammability, Ionization, Solubility  
Ionization, Radioactive Isotopes, Radioactivity, Solubility  

Atomic

Atomic Number
20  
99+
49  
99+

Electron Configuration
[Ar] 4s2  
[Kr] 4d10 5s2 5p1  

Crystal Structure
Face Centered Cubic (FCC)  
Tetragonal (TETR)  

Crystal Lattice
FCC-Crystal-Structure-of-Calcium.jpg#100  
TETR-Crystal-Structure-of-Indium.jpg#100  

Atom
  
  

Number of Protons
20  
99+
49  
99+

Number of Neutrons
20  
99+
66  
99+

Number of Electrons
20  
99+
49  
99+

Radius of an Atom
  
  

Atomic Radius
197.00 pm  
8
167.00 pm  
26

Covalent Radius
176.00 pm  
24
142.00 pm  
99+

Van der Waals Radius
231.00 pm  
23
193.00 pm  
38

Atomic Weight
40.08 amu  
99+
114.82 amu  
99+

Atomic Volume
29.90 cm3/mol  
10
15.70 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element
Potassium
  
Cadmium
  

Next Element
Scandium
  
Tin
  

Valence Electron Potential
29.00 (-eV)  
99+
54.00 (-eV)  
26

Lattice Constant
558.84 pm  
10
325.23 pm  
99+

Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  

Lattice C/A Ratio
1.55  
99+
1.56  
99+

Mechanical

Density
  
  

Density At Room Temperature
1.55 g/cm3  
99+
7.31 g/cm3  
99+

Density When Liquid (at m.p.)
1.38 g/cm3  
99+
7.02 g/cm3  
99+

Tensile Strength
20.00 MPa  
99+
2.50 MPa  
99+

Viscosity
0.00  
6
0.00  
25

Vapor Pressure
  
  

Vapor Pressure at 1000 K
25.50 (Pa)  
3
0.01 (Pa)  
11

Vapor Pressure at 2000 K
0.00 (Pa)  
30
0.00 (Pa)  
24

Elasticity properties
  
  

Shear Modulus
7.40 GPa  
99+
18.00 GPa  
99+

Bulk Modulus
17.00 GPa  
99+
46.90 GPa  
27

Young's Modulus
20.00 GPa  
99+
11.00 GPa  
99+

Poisson Ratio
0.31  
13
0.44  
3

Other Mechanical Properties
-  
Ductile, Malleable  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
4.58  
99+
7.31  
99+

Magnetic Ordering
Diamagnetic  
Diamagnetic  

Permeability
0.00 H/m  
9
0.00 H/m  
17

Susceptibility
0.00  
24
0.00  
34

Electrical Properties
  
  

Electrical Property
Conductor  
Conductor  

Resistivity
33.60 nΩ·m  
99+
83.70 nΩ·m  
34

Electrical Conductivity
0.30 106/cm Ω  
6
0.12 106/cm Ω  
20

Electron Affinity
2.37 kJ/mol  
99+
28.90 kJ/mol  
37

Thermal

Specific Heat
0.63 J/(kg K)  
7
0.23 J/(kg K)  
27

Molar Heat Capacity
25.93 J/mol·K  
99+
26.74 J/mol·K  
32

Thermal Conductivity
201.00 W/m·K  
5
81.80 W/m·K  
21

Critical Temperature
1,115.00 K  
99+
429.75 K  
99+

Thermal Expansion
22.30 µm/(m·K)  
20
32.10 µm/(m·K)  
9

Enthalpy
  
  

Enthalpy of Vaporization
150.00 kJ/mol  
99+
226.40 kJ/mol  
99+

Enthalpy of Fusion
8.54 kJ/mol  
99+
3.28 kJ/mol  
99+

Enthalpy of Atomization
184.00 kJ/mol  
99+
242.70 kJ/mol  
99+

Standard Molar Entropy
41.60 J/mol.K  
99+
57.80 J/mol.K  
27

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