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Zinc Californium Comparison


Californium Zinc comparison


Periodic Table

Symbol
Zn   
Cf   

Group Number
12   
6
Not Available   

Period Number
4   
7   

Block
d block   
f block   

Element Family
Transition Metal   
Actinide   

CAS Number
7440666   
24
7440713   
20

Space Group Name
P63/mmc   
P63/mmc   

Space Group Number
194.00   
5
194.00   
5

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.
  
  • Californium metal is very harmful and highly radioactive.
  • Californium metal is the heaviest metal.
  

Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals   
Made by Bombarding Curium with Helium Ions   

History
  
  

Who Discovered
Indian metallurgists   
Lawrence Berkeley National Laboratory   

Discovery
Before 1000 BCE   
In 1950   

Abundance
  
  

Abundance In Universe
3 * 10-5 %   
11
Not Available   

Abundance In Sun
~0.0002 %   
10
~-9999 %   

Abundance In Meteorites
0.02 %   
12
Not Available   

Abundance In Earth's Crust
0.01 %   
16
Not Available   

Abundance In Oceans
0.00 %   
10
Not Available   

Abundance In Humans
0.00 %   
6
Not Available   

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.
  
  • Californium metal has a very strong neutron emitter. It is used as a metal detector.
  • It also used as an identifier to check Water and oil layers in oil wells.
  

Industrial Uses
Electrical Industry, Electronic Industry   
Chemical Industry   

Medical Uses
Pharmaceutical Industry   
NA   

Other Uses
Alloys   
Alloys, Nuclear Research   

Biological Properties
  
  

Toxicity
Highly Toxic   
Toxic   

Present in Human Body
Yes   
No   

In Blood
7.00 Blood/mg dm-3   
6
0.00 Blood/mg dm-3   
37

In Bone
170.00 p.p.m.   
6
0.00 p.p.m.   
36

Physical Properties

Melting Point
419.58 °C   
99+
900.00 °C   
99+

Boiling Point
907.00 °C   
99+
1,470.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery Gray   
Silver   

Luster
Metallic   
NA   

Hardness
  
  

Mohs Hardness
2.50   
14
3.00   
12

Brinell Hardness
327.00 MPa   
32
Not Available   

Speed of Sound
3,850.00 m/s   
18
Not Available   

Optical Properties
  
  

Refractive Index
1.00   
2
Not Available   

Reflectivity
80.00 %   
5
Not Available   

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
Zn   
Cf   

Isotopes
  
  

Known Isotopes
25   
14
20   
19

Electronegativity
  
  

Pauling Electronegativity
1.65   
19
1.30   
32

Sanderson Electronegativity
2.23   
6
Not Available   

Allred Rochow Electronegativity
1.66   
7
1.20   
27

Mulliken-Jaffe Electronegativity
1.65   
11
Not Available   

Allen Electronegativity
1.59   
22
Not Available   

Electropositivity
  
  

Pauling Electropositivity
2.35   
35
2.70   
22

Ionization Energies
  
  

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

2nd Energy Level
1,733.30 kJ/mol   
27
1,206.00 kJ/mol   
99+

3rd Energy Level
3,833.00 kJ/mol   
12
2,267.00 kJ/mol   
99+

4th Energy Level
5,731.00 kJ/mol   
11
3,599.00 kJ/mol   
99+

5th Energy Level
7,970.00 kJ/mol   
9
Not Available   

6th Energy Level
10,400.00 kJ/mol   
9
Not Available   

7th Energy level
12,900.00 kJ/mol   
9
Not Available   

8th Energy Level
16,800.00 kJ/mol   
6
Not Available   

9th Energy Level
19,600.00 kJ/mol   
8
Not Available   

10th Energy Level
23,000.00 kJ/mol   
10
Not Available   

11th Energy Level
26,400.00 kJ/mol   
11
Not Available   

12th Energy Level
29,990.00 kJ/mol   
11
Not Available   

13th Energy Level
40,490.00 kJ/mol   
5
Not Available   

14th Energy Level
43,800.00 kJ/mol   
6
Not Available   

15th Energy Level
47,300.00 kJ/mol   
8
Not Available   

16th Energy Level
52,300.00 kJ/mol   
9
Not Available   

17th Energy Level
55,900.00 kJ/mol   
10
Not Available   

18th Energy Level
59,700.00 kJ/mol   
11
Not Available   

19th Energy Level
67,300.00 kJ/mol   
10
Not Available   

20th Energy Level
171,200.00 kJ/mol   
1
Not Available   

21st Energy Level
179,100.00 kJ/mol   
1
Not Available   

Electrochemical Equivalent
1.22 g/amp-hr   
99+
3.12 g/amp-hr   
15

Electron Work Function
4.33 eV   
17
Not Available   

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

Atomic Properties

Atomic Number
30   
99+
98   
20

Electron Configuration
[Ar] 3d10 4s2   
[Rn] 5f10 7s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Double Hexagonal Close Packed (DHCP)   

Crystal Lattice
HCP-Crystal-Structure-of-Zinc.jpg#100   
DHCP-Crystal-Structure-of-Californium.jpg#100   

Atom
  
  

Number of Protons
30   
99+
98   
20

Number of Neutrons
35   
99+
153   
9

Number of Electrons
30   
99+
98   
20

Radius of an Atom
  
  

Atomic Radius
134.00 pm   
99+
186.00 pm   
9

Covalent Radius
122.00 pm   
99+
Not Available   

Van der Waals Radius
139.00 pm   
99+
Not Available   

Atomic Weight
65.38 amu   
99+
251.00 amu   
17

Atomic Volume
9.20 cm3/mol   
99+
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Copper
  
Berkelium
  

Next Element
Gallium
  

Valence Electron Potential
38.90 (-eV)   
99+
44.50 (-eV)   
38

Lattice Constant
266.49 pm   
99+
338.00 pm   
99+

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

Lattice C/A Ratio
Not Available   
Not Available   

Mechanical Properties

Density
  
  

Density At Room Temperature
7.14 g/cm3   
99+
15.10 g/cm3   
21

Density When Liquid (at m.p.)
6.57 g/cm3   
37
Not Available   

Tensile Strength
Not Available   
Not Available   

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Elasticity properties
  
  

Shear Modulus
43.00 GPa   
18
Not Available   

Bulk Modulus
70.00 GPa   
19
Not Available   

Young's Modulus
108.00 GPa   
19
Not Available   

Poisson Ratio
0.25   
24
Not Available   

Other Mechanical Properties
NA   
Malleable, Sectile   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
6.90   
99+
15.10   
13

Magnetic Ordering
Diamagnetic   
Paramagnetic   

Electrical Properties
  
  

Electrical Property
Conductor   
Unknown   

Resistivity
59.00 nΩ·m   
40
Not Available   

Electrical Conductivity
0.17 106/cm Ω   
12
Not Available   

Electron Affinity
0.00 kJ/mol   
40
Not Available   

Thermal Properties

Specific Heat
0.39 J/(kg K)   
14
Not Available   

Molar Heat Capacity
25.47 J/mol·K   
39
Not Available   

Thermal Conductivity
116.00 W/m·K   
14
Not Available   

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
30.20 µm/(m·K)   
11
Not Available   

Enthalpy
  
  

Enthalpy of Vaporization
7.32 kJ/mol   
99+
Not Available   

Enthalpy of Fusion
7.32 kJ/mol   
99+
Not Available   

Enthalpy of Atomization
129.70 kJ/mol   
99+
Not Available   

Standard Molar Entropy
41.60 J/mol.K   
36
Not Available   

Summary >>
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