Cadmium (Cd) Properties and Facts

Element 48 - Transition Metal

What are the basic properties of Cadmium?

Cadmium (symbol: Cd) is a transition metal with atomic number 48. Its atomic mass is 112.41 u, and it belongs to period 5 and group 12.

What is the electron configuration of Cadmium?

The electron configuration is: 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 5s²

What are the physical properties of Cadmium?

Melting point: 594.22 K
Boiling point: 1040.0 K
Density: 8.65 g/cm³

What are the known isotopes of Cadmium?

  • Cd-106: 1.25% abundance
  • Cd-108: 0.89% abundance
  • Cd-110: 12.49% abundance
  • Cd-111: 12.8% abundance
  • Cd-112: 24.13% abundance
  • Cd-114: 28.73% abundance

What is the biological role and occurrence of Cadmium?

Biological role: Toxic, no known biological role
Natural occurrence: Found in zinc ores

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