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Zinc vs Calcium


Calcium vs Zinc


Periodic Table

Symbol
Zn  
Ca  

Group Number
12  
6
2  
16

Period Number
4  
4  

Block
d block  
s block  

Element Family
Transition Metal  
Alkaline Earth  

CAS Number
7440666  
24
7440702  
21

Space Group Name
P63/mmc  
Fm_ 3m  

Space Group Number
194.00  
7
225.00  
3

Facts

Interesting Facts
  • Zinc metal found (obtain) in many forms like granules, foil, dust and in a powder form.
  • The leading producers of Zinc metal are Australia, Canada, China, U.S.A and Peru.
  
  • 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.
  

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

History
  
  

Who Discovered
Indian metallurgists  
Humphry Davy  

Discovery
Before 1000 BCE  
In 1808  

Abundance
  
  

Abundance In Universe
0.00 %  
12
0.01 %  
4

Abundance In Sun
0.00 %  
10
0.01 %  
4

Abundance In Meteorites
0.02 %  
12
1.10 %  
4

Abundance In Earth's Crust
0.01 %  
16
5.00 %  
3

Abundance In Oceans
0.00 %  
10
0.00 %  
5

Abundance In Humans
0.00 %  
7
1.40 %  
1

Uses

Uses & Benefits
  • It is mainly used for Galvanizing other metals.
  • It is also used for manufacturing die-casting and it is very essential for automobile industry.
  
  • 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.
  

Industrial Uses
Electrical Industry, Electronic Industry  
Chemical Industry  

Medical Uses
Pharmaceutical Industry  
Dentistry, Pharmaceutical Industry  

Other Uses
Alloys  
Alloys  

Biological Properties
  
  

Toxicity
Highly Toxic  
Non Toxic  

Present in Human Body
Yes  
Yes  

In Blood
7.00 Blood/mg dm-3  
6
60.50 Blood/mg dm-3  
4

In Bone
170.00 p.p.m.  
6
170,000.00 p.p.m.  
1

Physical

Melting Point
419.58 °C  
99+
839.00 °C  
99+

Boiling Point
907.00 °C  
99+
1,484.00 °C  
99+

Appearance
  
  

Physical State
Solid  
Solid  

Color
Silvery Gray  
Gray  

Luster
Metallic  
-  

Hardness
  
  

Mohs Hardness
2.50  
15
1.75  
18

Brinell Hardness
327.00 MPa  
39
170.00 MPa  
99+

Vickers Hardness
207.00 MPa  
99+
170.00 MPa  
99+

Speed of Sound
3,850.00 m/s  
25
3,810.00 m/s  
26

Optical Properties
  
  

Refractive Index
1.00  
99+
1.54  
35

Reflectivity
80.00 %  
7
60.00 %  
23

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Zn  
Ca  

Isotopes
  
  

Known Isotopes
25  
14
19  
20

Electronegativity
  
  

Pauling Electronegativity
1.65  
20
1.00  
99+

Sanderson Electronegativity
2.23  
7
0.95  
99+

Allred Rochow Electronegativity
1.66  
8
1.04  
35

Mulliken-Jaffe Electronegativity
1.65  
20
1.08  
99+

Allen Electronegativity
1.59  
25
1.03  
99+

Electropositivity
  
  

Pauling Electropositivity
2.35  
35
3.00  
9

Ionization Energies
  
  

1st Energy Level
906.40 kJ/mol  
6
589.80 kJ/mol  
99+

2nd Energy Level
1,733.30 kJ/mol  
28
1,145.40 kJ/mol  
99+

3rd Energy Level
3,833.00 kJ/mol  
12
4,912.40 kJ/mol  
7

4th Energy Level
5,731.00 kJ/mol  
20
6,491.00 kJ/mol  
15

5th Energy Level
7,970.00 kJ/mol  
15
8,153.00 kJ/mol  
11

6th Energy Level
10,400.00 kJ/mol  
15
10,496.00 kJ/mol  
14

7th Energy level
12,900.00 kJ/mol  
9
12,270.00 kJ/mol  
12

8th Energy Level
16,800.00 kJ/mol  
6
14,206.00 kJ/mol  
15

9th Energy Level
19,600.00 kJ/mol  
8
18,191.00 kJ/mol  
12

10th Energy Level
23,000.00 kJ/mol  
10
20,385.00 kJ/mol  
16

11th Energy Level
26,400.00 kJ/mol  
11
57,110.00 kJ/mol  
3

12th Energy Level
29,990.00 kJ/mol  
33
63,410.00 kJ/mol  
9

13th Energy Level
40,490.00 kJ/mol  
5
70,110.00 kJ/mol  
3

14th Energy Level
43,800.00 kJ/mol  
6
78,890.00 kJ/mol  
4

15th Energy Level
47,300.00 kJ/mol  
99+
86,310.00 kJ/mol  
11

16th Energy Level
52,300.00 kJ/mol  
99+
94,000.00 kJ/mol  
6

17th Energy Level
55,900.00 kJ/mol  
10
104,900.00 kJ/mol  
7

18th Energy Level
59,700.00 kJ/mol  
11
111,711.00 kJ/mol  
8

19th Energy Level
67,300.00 kJ/mol  
10
590.60 kJ/mol  
99+

20th Energy Level
171,200.00 kJ/mol  
1
590.00 kJ/mol  
99+

21st Energy Level
179,100.00 kJ/mol  
1
590.60 kJ/mol  
99+

22nd Energy Level
906.00 kJ/mol  
9
590.00 kJ/mol  
99+

23rd Energy Level
906.40 kJ/mol  
37
590.60 kJ/mol  
99+

24th Energy Level
906.40 kJ/mol  
5
590.60 kJ/mol  
99+

25th Energy Level
906.40 kJ/mol  
4
590.00 kJ/mol  
99+

26th Energy Level
906.40 kJ/mol  
4
590.60 kJ/mol  
99+

27th Energy Level
906.40 kJ/mol  
3
590.60 kJ/mol  
99+

28th Energy Level
906.40 kJ/mol  
6
590.60 kJ/mol  
99+

29th Energy Level
906.40 kJ/mol  
7
590.60 kJ/mol  
99+

30th Energy Level
906.40 kJ/mol  
4
590.00 kJ/mol  
99+

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

Electron Work Function
4.33 eV  
24
2.87 eV  
99+

Other Chemical Properties
Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes  
Chemical Stability, Flammability, Ionization, Solubility  

Atomic

Atomic Number
30  
99+
20  
99+

Electron Configuration
[Ar] 3d10 4s2  
[Ar] 4s2  

Crystal Structure
Hexagonal Close Packed (HCP)  
Face Centered Cubic (FCC)  

Crystal Lattice
HCP-Crystal-Structure-of-Zinc.jpg#100  
FCC-Crystal-Structure-of-Calcium.jpg#100  

Atom
  
  

Number of Protons
30  
99+
20  
99+

Number of Neutrons
35  
99+
20  
99+

Number of Electrons
30  
99+
20  
99+

Radius of an Atom
  
  

Atomic Radius
134.00 pm  
99+
197.00 pm  
8

Covalent Radius
122.00 pm  
99+
176.00 pm  
24

Van der Waals Radius
139.00 pm  
99+
231.00 pm  
23

Atomic Weight
65.38 amu  
99+
40.08 amu  
99+

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

Adjacent Atomic Numbers
  
  

Previous Element
Copper
  
Potassium
  

Next Element
Gallium
  
Scandium
  

Valence Electron Potential
38.90 (-eV)  
99+
29.00 (-eV)  
99+

Lattice Constant
266.49 pm  
99+
558.84 pm  
10

Lattice Angles
π/2, π/2, 2 π/3  
π/2, π/2, π/2  

Lattice C/A Ratio
1.86  
4
1.55  
99+

Mechanical

Density
  
  

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

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

Tensile Strength
120.00 MPa  
27
20.00 MPa  
99+

Viscosity
0.00  
7
0.00  
6

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)  
37
25.50 (Pa)  
3

Vapor Pressure at 2000 K
0.00 (Pa)  
37
0.00 (Pa)  
30

Elasticity properties
  
  

Shear Modulus
43.00 GPa  
18
7.40 GPa  
99+

Bulk Modulus
70.00 GPa  
20
17.00 GPa  
99+

Young's Modulus
108.00 GPa  
21
20.00 GPa  
99+

Poisson Ratio
0.25  
24
0.31  
13

Other Mechanical Properties
-  
-  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
6.90  
99+
4.58  
99+

Magnetic Ordering
Diamagnetic  
Diamagnetic  

Permeability
0.00 H/m  
16
0.00 H/m  
9

Susceptibility
0.00  
6
0.00  
24

Electrical Properties
  
  

Electrical Property
Conductor  
Conductor  

Resistivity
59.00 nΩ·m  
40
33.60 nΩ·m  
99+

Electrical Conductivity
0.17 106/cm Ω  
12
0.30 106/cm Ω  
6

Electron Affinity
0.00 kJ/mol  
99+
2.37 kJ/mol  
99+

Thermal

Specific Heat
0.39 J/(kg K)  
14
0.63 J/(kg K)  
7

Molar Heat Capacity
25.47 J/mol·K  
99+
25.93 J/mol·K  
99+

Thermal Conductivity
116.00 W/m·K  
14
201.00 W/m·K  
5

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

Thermal Expansion
30.20 µm/(m·K)  
11
22.30 µm/(m·K)  
20

Enthalpy
  
  

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

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

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

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

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