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Cadmium (Cd)

Atomic number: 48 · Category: transition metal · Group 12 · Period 5 · Phase: Solid

Cadmium is a chemical element with symbol Cd and atomic number 48. This soft, bluish-white metal is chemically similar to the two other stable metals in group 12, zinc and mercury. Like zinc, it prefers oxidation state +2 in most of its compounds and like mercury it shows a low melting point compared to transition metals.

Atomic mass: 112.4144
Density: 8.65
Melting point: 594.22 K
Boiling point: 1040 K
Appearance: silvery bluish-gray metallic
Source: Wikipedia
Block: d
Molar heat: 26.02
CPK color:#ffd98f

Electronic structure

Electron configuration: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10
Configuration (semantic): [Kr] 4d10 5s2
Shells: 2, 8, 18, 18, 2
Electronegativity (Pauling): 1.69
Electron affinity: -68
Ionization energies: 867.8, 1631.4, 3616

Periodic position

Group: 12
Period: 5
xpos: 12
ypos: 5

Spectral/Bohr images

Image
48 Cd Cadmium
3D Model