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Gold vs Zinc


Zinc vs Gold


Periodic Table

Symbol
Au  
Zn  

Group Number
11  
7
12  
6

Period Number
6  
4  

Block
d block  
d block  

Element Family
Transition Metal  
Transition Metal  

CAS Number
7440575  
31
7440666  
24

Space Group Name
Fm_ 3m  
P63/mmc  

Space Group Number
225.00  
3
194.00  
7

Facts

Interesting Facts
  • It is found in copper ores and from the crust of the earth.
  • It is the most malleable and ductile metal.
  • Gold alloys are used in Dentistry as fillings, crowning, clips, etc. It is also used as an artificial limb joints.
  
  • 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.
  

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

History
  
  

Who Discovered
-  
Indian metallurgists  

Discovery
Before 6000 BCE  
Before 1000 BCE  

Abundance
  
  

Abundance In Universe
0.00 %  
27
0.00 %  
12

Abundance In Sun
0.00 %  
26
0.00 %  
10

Abundance In Meteorites
0.00 %  
99+
0.02 %  
12

Abundance In Earth's Crust
0.00 %  
99+
0.01 %  
16

Abundance In Oceans
0.00 %  
21
0.00 %  
10

Abundance In Humans
0.00 %  
21
0.00 %  
7

Uses

Uses & Benefits
  • Gold metal is mainly used for Jewelry, bullion, coinage, etc.
  • It is used in the art, decoration, ornaments, etc. It is also used for electroplating process.
  
  • It is mainly used for Galvanizing other metals.
  • It is also used for manufacturing die-casting and it is very essential for automobile industry.
  

Industrial Uses
Chemical Industry, Clothing Industry, Electrical Industry, Electronic Industry  
Electrical Industry, Electronic Industry  

Medical Uses
Dentistry, Pharmaceutical Industry  
Pharmaceutical Industry  

Other Uses
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues  
Alloys  

Biological Properties
  
  

Toxicity
Non Toxic  
Highly Toxic  

Present in Human Body
Yes  
Yes  

In Blood
0.00 Blood/mg dm-3  
38
7.00 Blood/mg dm-3  
6

In Bone
0.02 p.p.m.  
35
170.00 p.p.m.  
6

Physical

Melting Point
1,064.43 °C  
99+
419.58 °C  
99+

Boiling Point
2,807.00 °C  
37
907.00 °C  
99+

Appearance
  
  

Physical State
Solid  
Solid  

Color
Gold  
Silvery Gray  

Luster
Metallic  
Metallic  

Hardness
  
  

Mohs Hardness
2.50  
15
2.50  
15

Brinell Hardness
194.00 MPa  
99+
327.00 MPa  
39

Vickers Hardness
216.00 MPa  
99+
207.00 MPa  
99+

Speed of Sound
2,030.00 m/s  
99+
3,850.00 m/s  
25

Optical Properties
  
  

Refractive Index
0.47  
99+
1.00  
99+

Reflectivity
95.00 %  
2
80.00 %  
7

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Au  
Zn  

Isotopes
  
  

Known Isotopes
36  
3
25  
14

Electronegativity
  
  

Pauling Electronegativity
2.54  
2
1.65  
20

Sanderson Electronegativity
1.50  
18
2.23  
7

Allred Rochow Electronegativity
1.42  
19
1.66  
8

Mulliken-Jaffe Electronegativity
1.87  
15
1.65  
20

Allen Electronegativity
1.92  
7
1.59  
25

Electropositivity
  
  

Pauling Electropositivity
1.46  
99+
2.35  
35

Ionization Energies
  
  

1st Energy Level
890.10 kJ/mol  
8
906.40 kJ/mol  
6

2nd Energy Level
1,980.00 kJ/mol  
12
1,733.30 kJ/mol  
28

3rd Energy Level
2,856.00 kJ/mol  
33
3,833.00 kJ/mol  
12

4th Energy Level
890.10 kJ/mol  
99+
5,731.00 kJ/mol  
20

5th Energy Level
8,901.00 kJ/mol  
6
7,970.00 kJ/mol  
15

6th Energy Level
8,901.00 kJ/mol  
24
10,400.00 kJ/mol  
15

7th Energy level
8,901.00 kJ/mol  
21
12,900.00 kJ/mol  
9

8th Energy Level
8,900.00 kJ/mol  
20
16,800.00 kJ/mol  
6

9th Energy Level
8,901.00 kJ/mol  
20
19,600.00 kJ/mol  
8

10th Energy Level
8,901.00 kJ/mol  
21
23,000.00 kJ/mol  
10

11th Energy Level
8,901.00 kJ/mol  
19
26,400.00 kJ/mol  
11

12th Energy Level
8,900.00 kJ/mol  
39
29,990.00 kJ/mol  
33

13th Energy Level
8,900.00 kJ/mol  
14
40,490.00 kJ/mol  
5

14th Energy Level
890.10 kJ/mol  
99+
43,800.00 kJ/mol  
6

15th Energy Level
89,000.00 kJ/mol  
7
47,300.00 kJ/mol  
99+

16th Energy Level
890.10 kJ/mol  
99+
52,300.00 kJ/mol  
99+

17th Energy Level
890.10 kJ/mol  
25
55,900.00 kJ/mol  
10

18th Energy Level
8,901.00 kJ/mol  
14
59,700.00 kJ/mol  
11

19th Energy Level
890.10 kJ/mol  
23
67,300.00 kJ/mol  
10

20th Energy Level
890.00 kJ/mol  
13
171,200.00 kJ/mol  
1

21st Energy Level
890.10 kJ/mol  
35
179,100.00 kJ/mol  
1

22nd Energy Level
890.00 kJ/mol  
11
906.00 kJ/mol  
9

23rd Energy Level
890.10 kJ/mol  
38
906.40 kJ/mol  
37

24th Energy Level
890.10 kJ/mol  
6
906.40 kJ/mol  
5

25th Energy Level
890.00 kJ/mol  
5
906.40 kJ/mol  
4

26th Energy Level
890.10 kJ/mol  
5
906.40 kJ/mol  
4

27th Energy Level
890.10 kJ/mol  
4
906.40 kJ/mol  
3

28th Energy Level
890.10 kJ/mol  
7
906.40 kJ/mol  
6

29th Energy Level
890.10 kJ/mol  
8
906.40 kJ/mol  
7

30th Energy Level
890.10 kJ/mol  
5
906.40 kJ/mol  
4

Electrochemical Equivalent
2.45 g/amp-hr  
25
1.22 g/amp-hr  
99+

Electron Work Function
5.10 eV  
8
4.33 eV  
24

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

Atomic

Atomic Number
79  
37
30  
99+

Electron Configuration
[Xe] 4f14 5d10 6s1  
[Ar] 3d10 4s2  

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

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

Atom
  
  

Number of Protons
79  
37
30  
99+

Number of Neutrons
118  
24
35  
99+

Number of Electrons
79  
37
30  
99+

Radius of an Atom
  
  

Atomic Radius
151.00 pm  
34
134.00 pm  
99+

Covalent Radius
144.00 pm  
99+
122.00 pm  
99+

Van der Waals Radius
166.00 pm  
99+
139.00 pm  
99+

Atomic Weight
196.97 amu  
33
65.38 amu  
99+

Atomic Volume
10.20 cm3/mol  
99+
9.20 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element
Platinum
  
Copper
  

Next Element
Mercury
  
Gallium
  

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

Lattice Constant
407.82 pm  
24
266.49 pm  
99+

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

Lattice C/A Ratio
1.61  
18
1.86  
4

Mechanical

Density
  
  

Density At Room Temperature
19.30 g/cm3  
15
7.14 g/cm3  
99+

Density When Liquid (at m.p.)
17.31 g/cm3  
16
6.57 g/cm3  
99+

Tensile Strength
120.00 MPa  
27
120.00 MPa  
27

Viscosity
0.00  
23
0.00  
7

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)  
25
0.00 (Pa)  
37

Vapor Pressure at 2000 K
67.00 (Pa)  
4
0.00 (Pa)  
37

Elasticity properties
  
  

Shear Modulus
27.00 GPa  
34
43.00 GPa  
18

Bulk Modulus
180.00 GPa  
9
70.00 GPa  
20

Young's Modulus
79.00 GPa  
26
108.00 GPa  
21

Poisson Ratio
0.40  
4
0.25  
24

Other Mechanical Properties
Ductile, Malleable  
-  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
19.32  
17
6.90  
99+

Magnetic Ordering
Diamagnetic  
Diamagnetic  

Permeability
0.00 H/m  
10
0.00 H/m  
16

Susceptibility
0.00  
22
0.00  
6

Electrical Properties
  
  

Electrical Property
Conductor  
Conductor  

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

Electrical Conductivity
0.45 106/cm Ω  
3
0.17 106/cm Ω  
12

Electron Affinity
222.80 kJ/mol  
1
0.00 kJ/mol  
99+

Thermal

Specific Heat
0.13 J/(kg K)  
40
0.39 J/(kg K)  
14

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

Thermal Conductivity
318.00 W/m·K  
3
116.00 W/m·K  
14

Critical Temperature
1,337.00 K  
99+
692.00 K  
99+

Thermal Expansion
14.20 µm/(m·K)  
29
30.20 µm/(m·K)  
11

Enthalpy
  
  

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

Enthalpy of Fusion
12.55 kJ/mol  
33
7.32 kJ/mol  
99+

Enthalpy of Atomization
364.00 kJ/mol  
34
129.70 kJ/mol  
99+

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

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