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Californium vs Zinc


Zinc vs Californium


Periodic Table

Symbol
Cf   
Zn   

Group Number
Not Available   
12   
6

Period Number
7   
4   

Block
f block   
d block   

Element Family
Actinide   
Transition Metal   

CAS Number
7440713   
20
7440666   
24

Space Group Name
P63/mmc   
P63/mmc   

Space Group Number
194.00   
5
194.00   
5

Facts

Interesting Facts
  • Californium metal is very harmful and highly radioactive.
  • Californium metal is the heaviest metal.
  
  • 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
Made by Bombarding Curium with Helium Ions   
Earth's crust, Found in Minerals, Mining, Ores of Minerals   

History
  
  

Who Discovered
Lawrence Berkeley National Laboratory   
Indian metallurgists   

Discovery
In 1950   
Before 1000 BCE   

Abundance
  
  

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

Abundance In Sun
~-9999 %   
~0.0002 %   
10

Abundance In Meteorites
Not Available   
0.02 %   
12

Abundance In Earth's Crust
Not Available   
0.01 %   
16

Abundance In Oceans
Not Available   
0.00 %   
10

Abundance In Humans
Not Available   
0.00 %   
6

Uses

Uses & Benefits
  • 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.
  
  • 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   
Electrical Industry, Electronic Industry   

Medical Uses
NA   
Pharmaceutical Industry   

Other Uses
Alloys, Nuclear Research   
Alloys   

Biological Properties
  
  

Toxicity
Toxic   
Highly Toxic   

Present in Human Body
No   
Yes   

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

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

Physical Properties

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

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

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silver   
Silvery Gray   

Luster
NA   
Metallic   

Hardness
  
  

Mohs Hardness
3.00   
12
2.50   
14

Brinell Hardness
Not Available   
327.00 MPa   
32

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

Optical Properties
  
  

Refractive Index
Not Available   
1.00   
2

Reflectivity
Not Available   
80.00 %   
5

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
Cf   
Zn   

Isotopes
  
  

Known Isotopes
20   
19
25   
14

Electronegativity
  
  

Pauling Electronegativity
1.30   
32
1.65   
19

Sanderson Electronegativity
Not Available   
2.23   
6

Allred Rochow Electronegativity
1.20   
27
1.66   
7

Mulliken-Jaffe Electronegativity
Not Available   
1.65   
11

Allen Electronegativity
Not Available   
1.59   
22

Electropositivity
  
  

Pauling Electropositivity
2.70   
22
2.35   
35

Ionization Energies
  
  

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Electron Work Function
Not Available   
4.33 eV   
17

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

Atomic Properties

Atomic Number
98   
20
30   
99+

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

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

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

Atom
  
  

Number of Protons
98   
20
30   
99+

Number of Neutrons
153   
9
35   
99+

Number of Electrons
98   
20
30   
99+

Radius of an Atom
  
  

Atomic Radius
186.00 pm   
9
134.00 pm   
99+

Covalent Radius
Not Available   
122.00 pm   
99+

Van der Waals Radius
Not Available   
139.00 pm   
99+

Atomic Weight
251.00 amu   
17
65.38 amu   
99+

Atomic Volume
Not Available   
9.20 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Berkelium
  
Copper
  

Next Element
Gallium
  

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

Lattice Constant
338.00 pm   
99+
266.49 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
15.10 g/cm3   
21
7.14 g/cm3   
99+

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

Tensile Strength
Not Available   
Not Available   

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Elasticity properties
  
  

Shear Modulus
Not Available   
43.00 GPa   
18

Bulk Modulus
Not Available   
70.00 GPa   
19

Young's Modulus
Not Available   
108.00 GPa   
19

Poisson Ratio
Not Available   
0.25   
24

Other Mechanical Properties
Malleable, Sectile   
NA   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
15.10   
13
6.90   
99+

Magnetic Ordering
Paramagnetic   
Diamagnetic   

Electrical Properties
  
  

Electrical Property
Unknown   
Conductor   

Resistivity
Not Available   
59.00 nΩ·m   
40

Electrical Conductivity
Not Available   
0.17 106/cm Ω   
12

Electron Affinity
Not Available   
0.00 kJ/mol   
40

Thermal Properties

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

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

Thermal Conductivity
Not Available   
116.00 W/m·K   
14

Critical Temperature
Not Available   
Not Available   

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

Enthalpy
  
  

Enthalpy of Vaporization
Not Available   
7.32 kJ/mol   
99+

Enthalpy of Fusion
Not Available   
7.32 kJ/mol   
99+

Enthalpy of Atomization
Not Available   
129.70 kJ/mol   
99+

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

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