Home
Compare Metals


Californium vs Platinum


Platinum vs Californium


Periodic Table

Symbol
Cf  
Pt  

Group Number
3  
15
10  
8

Period Number
7  
6  

Block
f block  
d block  

Element Family
Actinide  
Transition Metal  

CAS Number
7440713  
20
7440064  
99+

Space Group Name
P63/mmc  
Fm_ 3m  

Space Group Number
194.00  
7
225.00  
3

Facts

Interesting Facts
  • Californium metal is very harmful and highly radioactive.
  • Californium metal is the heaviest metal.
  
  • Platinum is the rarest metal from the Precious metal categories..
  • Commercially Platinum is produced as a byproduct in ores of nickel.
  

Sources
Made by Bombarding Curium with Helium Ions  
Mining, Ores of metals, Ores of Minerals  

History
  
  

Who Discovered
Lawrence Berkeley National Laboratory  
Antonio de Ulloa  

Discovery
In 1950  
In 1735  

Abundance
  
  

Abundance In Universe
0.00 %  
38
0.00 %  
20

Abundance In Sun
0.00 %  
30
0.00 %  
19

Abundance In Meteorites
0.00 %  
99+
0.00 %  
25

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

Abundance In Oceans
-  
-  

Abundance In Humans
0.00 %  
24
0.00 %  
24

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.
  
  • Platinum metal is mainly used in jewellery.
  • Platinum is used as an industrial catalyst in production of nitric acid, silicone and benzene.
  

Industrial Uses
Chemical Industry  
Aerospace Industry, Chemical Industry  

Medical Uses
-  
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing  

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

Biological Properties
  
  

Toxicity
Toxic  
Non Toxic  

Present in Human Body
No  
No  

In Blood
0.00 Blood/mg dm-3  
40
0.00 Blood/mg dm-3  
37

In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+

Physical

Melting Point
900.00 °C  
99+
1,772.00 °C  
16

Boiling Point
1,470.00 °C  
99+
3,827.00 °C  
15

Appearance
  
  

Physical State
Solid  
Solid  

Color
Silver  
Silvery White  

Luster
-  
Metallic  

Hardness
  
  

Mohs Hardness
3.00  
13
3.50  
12

Brinell Hardness
170.00 MPa  
99+
300.00 MPa  
99+

Vickers Hardness
1,800.00 MPa  
7
400.00 MPa  
99+

Speed of Sound
2,260.00 m/s  
99+
2,800.00 m/s  
99+

Optical Properties
  
  

Refractive Index
1.30  
99+
2.41  
6

Reflectivity
63.00 %  
20
73.00 %  
10

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Cf  
Pt  

Isotopes
  
  

Known Isotopes
20  
19
35  
4

Electronegativity
  
  

Pauling Electronegativity
1.30  
33
2.28  
4

Sanderson Electronegativity
1.30  
25
2.28  
5

Allred Rochow Electronegativity
1.20  
28
1.44  
18

Mulliken-Jaffe Electronegativity
1.30  
33
2.20  
6

Allen Electronegativity
1.30  
40
1.72  
19

Electropositivity
  
  

Pauling Electropositivity
2.70  
22
1.72  
99+

Ionization Energies
  
  

1st Energy Level
608.00 kJ/mol  
99+
870.00 kJ/mol  
10

2nd Energy Level
1,206.00 kJ/mol  
99+
1,791.00 kJ/mol  
22

3rd Energy Level
2,267.00 kJ/mol  
99+
2,277.00 kJ/mol  
99+

4th Energy Level
3,599.00 kJ/mol  
99+
8,702.00 kJ/mol  
6

5th Energy Level
6,080.00 kJ/mol  
99+
8,702.00 kJ/mol  
9

6th Energy Level
6,080.00 kJ/mol  
99+
8,700.00 kJ/mol  
27

7th Energy level
6,080.00 kJ/mol  
99+
8,700.00 kJ/mol  
23

8th Energy Level
6,080.00 kJ/mol  
99+
8,700.00 kJ/mol  
23

9th Energy Level
6,080.00 kJ/mol  
99+
5,660.00 kJ/mol  
99+

10th Energy Level
6,080.00 kJ/mol  
99+
8,700.00 kJ/mol  
24

11th Energy Level
6,080.00 kJ/mol  
99+
8,700.00 kJ/mol  
21

12th Energy Level
60,800.00 kJ/mol  
14
8,700.00 kJ/mol  
99+

13th Energy Level
6,080.00 kJ/mol  
99+
8,700.00 kJ/mol  
16

14th Energy Level
6,080.00 kJ/mol  
30
870.00 kJ/mol  
99+

15th Energy Level
62,400.00 kJ/mol  
39
87,000.00 kJ/mol  
9

16th Energy Level
62,400.00 kJ/mol  
29
870.00 kJ/mol  
99+

17th Energy Level
608.00 kJ/mol  
99+
870.00 kJ/mol  
27

18th Energy Level
6,085.00 kJ/mol  
99+
8,700.00 kJ/mol  
16

19th Energy Level
608.00 kJ/mol  
99+
870.00 kJ/mol  
25

20th Energy Level
578.00 kJ/mol  
99+
870.00 kJ/mol  
15

21st Energy Level
6,080.00 kJ/mol  
16
870.00 kJ/mol  
38

22nd Energy Level
608.00 kJ/mol  
39
870.00 kJ/mol  
13

23rd Energy Level
6,080.00 kJ/mol  
17
870.10 kJ/mol  
39

24th Energy Level
608.00 kJ/mol  
99+
870.00 kJ/mol  
9

25th Energy Level
608.00 kJ/mol  
99+
870.00 kJ/mol  
7

26th Energy Level
608.00 kJ/mol  
99+
870.00 kJ/mol  
7

27th Energy Level
608.00 kJ/mol  
99+
870.10 kJ/mol  
6

28th Energy Level
608.00 kJ/mol  
99+
870.10 kJ/mol  
9

29th Energy Level
608.00 kJ/mol  
99+
870.00 kJ/mol  
10

30th Energy Level
608.00 kJ/mol  
99+
870.00 kJ/mol  
7

Electrochemical Equivalent
3.12 g/amp-hr  
17
1.82 g/amp-hr  
39

Electron Work Function
4.70 eV  
15
5.65 eV  
4

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

Atomic

Atomic Number
98  
20
78  
38

Electron Configuration
[Rn] 5f10 7s2  
[Xe] 4f14 5d9 6s1  

Crystal Structure
Double Hexagonal Close Packed (DHCP)  
Face Centered Cubic (FCC)  

Crystal Lattice
DHCP-Crystal-Structure-of-Californium.jpg#100  
FCC-Crystal-Structure-of-Platinum.jpg#100  

Atom
  
  

Number of Protons
98  
20
78  
38

Number of Neutrons
153  
10
117  
25

Number of Electrons
98  
20
78  
38

Radius of an Atom
  
  

Atomic Radius
186.00 pm  
11
139.00 pm  
99+

Covalent Radius
186.00 pm  
21
136.00 pm  
99+

Van der Waals Radius
244.00 pm  
14
175.00 pm  
99+

Atomic Weight
251.00 amu  
17
47.87 amu  
99+

Atomic Volume
15.10 cm3/mol  
99+
9.09 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element
Berkelium
  
Iridium
  

Next Element
Gold
  

Valence Electron Potential
44.50 (-eV)  
39
392.42 (-eV)  
1

Lattice Constant
338.00 pm  
99+
392.42 pm  
27

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

Lattice C/A Ratio
1.58  
34
1.56  
99+

Mechanical

Density
  
  

Density At Room Temperature
15.10 g/cm3  
21
21.45 g/cm3  
11

Density When Liquid (at m.p.)
15.10 g/cm3  
22
19.77 g/cm3  
12

Tensile Strength
50.00 MPa  
38
125.00 MPa  
26

Viscosity
0.00  
25
0.00  
16

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)  
22
0.00 (Pa)  
16

Vapor Pressure at 2000 K
0.00 (Pa)  
24
0.07 (Pa)  
18

Elasticity properties
  
  

Shear Modulus
29.00 GPa  
29
61.00 GPa  
14

Bulk Modulus
40.00 GPa  
38
230.00 GPa  
6

Young's Modulus
0.00 GPa  
99+
168.00 GPa  
15

Poisson Ratio
0.30  
14
0.38  
6

Other Mechanical Properties
Malleable, Sectile  
Ductile, Malleable  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
15.10  
24
21.45  
13

Magnetic Ordering
Paramagnetic  
Paramagnetic  

Permeability
0.00 H/m  
8
0.00 H/m  
14

Susceptibility
0.00  
24
0.00  
20

Electrical Properties
  
  

Electrical Property
-  
Conductor  

Resistivity
6.20 nΩ·m  
99+
105.00 nΩ·m  
30

Electrical Conductivity
0.11 106/cm Ω  
23
0.10 106/cm Ω  
26

Electron Affinity
97.00 kJ/mol  
12
205.30 kJ/mol  
2

Thermal

Specific Heat
0.10 J/(kg K)  
99+
0.13 J/(kg K)  
40

Molar Heat Capacity
26.70 J/mol·K  
33
25.86 J/mol·K  
99+

Thermal Conductivity
10.00 W/m·K  
99+
71.60 W/m·K  
24

Critical Temperature
900.00 K  
99+
2,041.00 K  
19

Thermal Expansion
11.70 µm/(m·K)  
99+
8.80 µm/(m·K)  
99+

Enthalpy
  
  

Enthalpy of Vaporization
311.40 kJ/mol  
99+
510.50 kJ/mol  
15

Enthalpy of Fusion
15.10 kJ/mol  
21
19.70 kJ/mol  
12

Enthalpy of Atomization
-  
565.00 kJ/mol  
15

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

Periodic Table >>
<< All

Compare Actinide Series

Actinide Series

Actinide Series

» More Actinide Series

Compare Actinide Series

» More Compare Actinide Series