Cadmium Properties

Cadmium

Physical

Melting Point

320.90 °C 68

Boiling Point

765.00 °C 73

Hardness

Mohs Hardness

2.00 16

Brinell Hardness

203.00 MPa 39

Vickers Hardness

Not Available 0

Optical Properties

Refractive Index

Not Available 0

Reflectivity

67.00 % 11

Speed of Sound

2,310.00 m/s 39

Allotropes

No 0

α Allotropes

Not Available 0

β Allotropes

Not Available 0

γ Allotropes

Not Available 0

Chemical

Chemical Formula

Cd 0

Isotopes

Known Isotopes

34 5

Electronegativity

Pauling Electronegativity

1.69 17

Sanderson Electronegativity

1.98 9

Allred Rochow Electronegativity

1.46 15

Mulliken-Jaffe Electronegativity

1.53 13

Allen Electronegativity

1.52 27

Electropositivity

Pauling Electropositivity

2.31 37

Ionization Energies

1st Energy Level

867.80 kJ/mol 11

2nd Energy Level

1,631.40 kJ/mol 32

3rd Energy Level

3,616.00 kJ/mol 13

Electrochemical Equivalent

2.10 g/amp-hr 27

Electron Work Function

4.22 eV 22

Other Chemical Properties

Chemical Stability, Anti Corrosion, Ionization, Radioactive Isotopes, Solubility 0

Mechanical

Density

Density At Room Temperature

8.65 g/cm³ 47

Density When Liquid (at m.p.)

8.00 g/cm3 28

Vapor Pressure

Vapor Pressure at 1000 K

Not Available 0

Vapor Pressure at 2000 K

Not Available 0

Tensile Strength

62.00 MPa 16

Viscosity

Not Available 0

Elasticity properties

Shear Modulus

19.00 GPa 35

Bulk Modulus

42.00 GPa 29

Young's Modulus

50.00 GPa 36

Poisson Ratio

0.30 14

Other Mechanical Properties

Ductile, Malleable 0

Periodic Table

Symbol

Cd 0

Group Number

12 6

Period Number

5 3

Block

d block 0

Element Family

Transition Metal 0

Atomic

Atomic Number

48 64

Atomic Weight

112.41 amu 58

Atomic Volume

13.10 cm3/mol 39

Electron Configuration

[Kr] 4d¹⁰ 5s² 0

Valence Electron Potential

30.00 (-eV) 52

Atom

Number of Protons

48 63

Number of Neutrons

64 46

Number of Electrons

48 63

Crystal Structure

Hexagonal Close Packed (HCP) 0

Crystal Lattice

HCP-Crystal-Structure-of-Cadmium.jpg#100 0

Radius of an Atom

Atomic Radius

151.00 pm 32

Covalent Radius

144.00 pm 40

Van der Waals Radius

158.00 pm 41

Lattice Constant

297.94 pm 60

Lattice Angles

π/2, π/2, 2 π/3 0

Lattice C/A Ratio

1.89 1

Adjacent Atomic Numbers

Next Element

43 0

Previous Element

5 0

Magnetic

Electrical Properties

Resistivity

72.70 nΩ·m 36

Electrical Conductivity

0.14 10⁶/cm Ω 15

Electron Affinity

0.00 kJ/mol 40

Electrical Property

Semiconductor 0

Magnetic Characteristics

Specific Gravity

8.65 36

Magnetic Ordering

Diamagnetic 0

Permeability

Not Available 0

Susceptibility

Not Available 0

Thermal

Specific Heat

0.23 J/(kg K) 26

Thermal Conductivity

96.60 W/m·K 16

Critical Temperature

Not Available 0

Molar Heat Capacity

26.02 J/mol·K 32

Thermal Expansion

30.80 µm/(m·K) 10

Standard Molar Entropy

51.80 J/mol.K 27

Enthalpy

Enthalpy of Vaporization

100.00 kJ/mol 53

Enthalpy of Fusion

6.19 kJ/mol 50

Enthalpy of Atomization

113.00 kJ/mol 56

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