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Barium vs Zinc

Barium
Zinc
Zinc vs Barium


Periodic Table
Symbol
Ba  
Zn  
Group Number
2  
16
12  
6
Period Number
6  
4  
Block
s block  
d block  
Element Family
Alkaline Earth  
Transition Metal  
CAS Number
7440393  
99+
7440666  
24
Space Group Name
Im_ 3m  
P63/mmc  
Space Group Number
229.00  
2
194.00  
7
Facts
Interesting Facts
  • Barium oxidizes very easily in the air.
  • All toxic compounds of Barium can easily dissolve in water.
  • Barium carbonate is used to produce a Rat poison and its other compound Barium nitrate is used in fireworks to produce green color.
  
  • 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, Found in Minerals, Mining, Ores of Minerals  
Earth's crust, Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
Carl Wilhelm Scheele  
Indian metallurgists  
Discovery
In 1772  
Before 1000 BCE  
Abundance
  
  
Abundance In Universe
0.00 %  
17
0.00 %  
12
Abundance In Sun
0.00 %  
18
0.00 %  
10
Abundance In Meteorites
0.00 %  
20
0.02 %  
12
Abundance In Earth's Crust
0.03 %  
11
0.01 %  
16
Abundance In Oceans
0.00 %  
8
0.00 %  
10
Abundance In Humans
0.00 %  
13
0.00 %  
7
Uses
Uses & Benefits
  • It is sued in chemical paint manufacturing and glass manufacturing.
  • Compounds of this metal are toxic; but still the barium sulfate is insoluble and given to patients suffering from digestive disorder.
  
  • 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
Ammunition Industry, Automobile Industry, Electrical Industry, Electronic Industry  
Electrical Industry, Electronic Industry  
Medical Uses
-  
Pharmaceutical Industry  
Other Uses
Alloys  
Alloys  
Biological Properties
  
  
Toxicity
Low Toxic  
Highly Toxic  
Present in Human Body
Yes  
Yes  
In Blood
0.07 Blood/mg dm-3  
15
7.00 Blood/mg dm-3  
6
In Bone
70.00 p.p.m.  
9
170.00 p.p.m.  
6
Physical
Melting Point
725.00 °C  
99+
419.58 °C  
99+
Boiling Point
1,140.00 °C  
99+
907.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery Gray  
Silvery Gray  
Luster
-  
Metallic  
Hardness
  
  
Mohs Hardness
1.25  
20
2.50  
15
Brinell Hardness
130.00 MPa  
99+
327.00 MPa  
39
Vickers Hardness
210.00 MPa  
99+
207.00 MPa  
99+
Speed of Sound
1,620.00 m/s  
99+
3,850.00 m/s  
25
Optical Properties
  
  
Refractive Index
1.47  
38
1.00  
99+
Reflectivity
65.00 %  
18
80.00 %  
7
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Ba  
Zn  
Isotopes
  
  
Known Isotopes
37  
2
25  
14
Electronegativity
  
  
Pauling Electronegativity
0.89  
99+
1.65  
20
Sanderson Electronegativity
0.68  
99+
2.23  
7
Allred Rochow Electronegativity
0.97  
39
1.66  
8
Mulliken-Jaffe Electronegativity
0.88  
99+
1.65  
20
Allen Electronegativity
0.88  
99+
1.59  
25
Electropositivity
  
  
Pauling Electropositivity
3.11  
4
2.35  
35
Ionization Energies
  
  
1st Energy Level
502.90 kJ/mol  
99+
906.40 kJ/mol  
6
2nd Energy Level
965.20 kJ/mol  
99+
1,733.30 kJ/mol  
28
3rd Energy Level
3,600.00 kJ/mol  
14
3,833.00 kJ/mol  
12
4th Energy Level
502.90 kJ/mol  
99+
5,731.00 kJ/mol  
20
5th Energy Level
5,020.00 kJ/mol  
99+
7,970.00 kJ/mol  
15
6th Energy Level
5,020.00 kJ/mol  
99+
10,400.00 kJ/mol  
15
7th Energy level
5,020.00 kJ/mol  
99+
12,900.00 kJ/mol  
9
8th Energy Level
5,020.00 kJ/mol  
99+
16,800.00 kJ/mol  
6
9th Energy Level
5,020.00 kJ/mol  
99+
19,600.00 kJ/mol  
8
10th Energy Level
5,020.00 kJ/mol  
99+
23,000.00 kJ/mol  
10
11th Energy Level
5,020.00 kJ/mol  
99+
26,400.00 kJ/mol  
11
12th Energy Level
5,020.00 kJ/mol  
99+
29,990.00 kJ/mol  
33
13th Energy Level
5,020.00 kJ/mol  
99+
40,490.00 kJ/mol  
5
14th Energy Level
5,020.00 kJ/mol  
99+
43,800.00 kJ/mol  
6
15th Energy Level
50,200.00 kJ/mol  
99+
47,300.00 kJ/mol  
99+
16th Energy Level
50,270.00 kJ/mol  
99+
52,300.00 kJ/mol  
99+
17th Energy Level
502.90 kJ/mol  
99+
55,900.00 kJ/mol  
10
18th Energy Level
5,020.00 kJ/mol  
99+
59,700.00 kJ/mol  
11
19th Energy Level
502.90 kJ/mol  
99+
67,300.00 kJ/mol  
10
20th Energy Level
502.00 kJ/mol  
99+
171,200.00 kJ/mol  
1
21st Energy Level
502.90 kJ/mol  
99+
179,100.00 kJ/mol  
1
22nd Energy Level
502.00 kJ/mol  
99+
906.00 kJ/mol  
9
23rd Energy Level
502.90 kJ/mol  
99+
906.40 kJ/mol  
37
24th Energy Level
502.90 kJ/mol  
99+
906.40 kJ/mol  
5
25th Energy Level
503.00 kJ/mol  
99+
906.40 kJ/mol  
4
26th Energy Level
502.90 kJ/mol  
99+
906.40 kJ/mol  
4
27th Energy Level
502.90 kJ/mol  
99+
906.40 kJ/mol  
3
28th Energy Level
502.90 kJ/mol  
99+
906.40 kJ/mol  
6
29th Energy Level
502.90 kJ/mol  
99+
906.40 kJ/mol  
7
30th Energy Level
503.00 kJ/mol  
99+
906.40 kJ/mol  
4
Electrochemical Equivalent
2.56 g/amp-hr  
24
1.22 g/amp-hr  
99+
Electron Work Function
2.70 eV  
99+
4.33 eV  
24
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility  
Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes  
Atomic
Atomic Number
56  
99+
30  
99+
Electron Configuration
[Xe] 6s2  
[Ar] 3d10 4s2  
Crystal Structure
Body Centered Cubic (BCC)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
HCP-Crystal-Structure-of-Zinc.jpg#100  
Atom
  
  
Number of Protons
56  
99+
30  
99+
Number of Neutrons
81  
99+
35  
99+
Number of Electrons
56  
99+
30  
99+
Radius of an Atom
  
  
Atomic Radius
222.00 pm  
5
134.00 pm  
99+
Covalent Radius
215.00 pm  
5
122.00 pm  
99+
Van der Waals Radius
268.00 pm  
8
139.00 pm  
99+
Atomic Weight
137.33 amu  
99+
65.38 amu  
99+
Atomic Volume
39.24 cm3/mol  
6
9.20 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Cesium
  
Copper
  
Next Element
Lanthanum
  
Gallium
  
Valence Electron Potential
21.30 (-eV)  
99+
38.90 (-eV)  
99+
Lattice Constant
502.80 pm  
17
266.49 pm  
99+
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.57  
99+
1.86  
4
Mechanical
Density
  
  
Density At Room Temperature
3.51 g/cm3  
99+
7.14 g/cm3  
99+
Density When Liquid (at m.p.)
3.34 g/cm3  
99+
6.57 g/cm3  
99+
Tensile Strength
55.00 MPa  
37
120.00 MPa  
27
Viscosity
0.00  
2
0.00  
7
Vapor Pressure
  
  
Vapor Pressure at 1000 K
7.11 (Pa)  
6
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
30
0.00 (Pa)  
37
Elasticity properties
  
  
Shear Modulus
4.90 GPa  
99+
43.00 GPa  
18
Bulk Modulus
9.60 GPa  
99+
70.00 GPa  
20
Young's Modulus
13.00 GPa  
99+
108.00 GPa  
21
Poisson Ratio
0.22  
31
0.25  
24
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
3.62  
99+
6.90  
99+
Magnetic Ordering
Paramagnetic  
Diamagnetic  
Permeability
0.00 H/m  
15
0.00 H/m  
16
Susceptibility
0.00  
24
0.00  
6
Electrical Properties
  
  
Electrical Property
Superconductor  
Conductor  
Resistivity
332.00 nΩ·m  
13
59.00 nΩ·m  
40
Electrical Conductivity
0.03 106/cm Ω  
99+
0.17 106/cm Ω  
12
Electron Affinity
13.95 kJ/mol  
99+
0.00 kJ/mol  
99+
Thermal
Specific Heat
0.20 J/(kg K)  
31
0.39 J/(kg K)  
14
Molar Heat Capacity
28.07 J/mol·K  
15
25.47 J/mol·K  
99+
Thermal Conductivity
18.40 W/m·K  
99+
116.00 W/m·K  
14
Critical Temperature
1,000.00 K  
99+
692.00 K  
99+
Thermal Expansion
20.60 µm/(m·K)  
24
30.20 µm/(m·K)  
11
Enthalpy
  
  
Enthalpy of Vaporization
140.00 kJ/mol  
99+
7.32 kJ/mol  
99+
Enthalpy of Fusion
7.66 kJ/mol  
99+
7.32 kJ/mol  
99+
Enthalpy of Atomization
175.70 kJ/mol  
99+
129.70 kJ/mol  
99+
Standard Molar Entropy
62.50 J/mol.K  
25
41.60 J/mol.K  
99+
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