Cadmium (Cd), element 48 – Learn Acer periodic table

Transition metal, atomic number 48.

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.

Symbol Cd. Atomic mass 112.4144 u. Group 12, period 5. Electron configuration [Kr] 4d10 5s2. Electrons per shell 2, 8, 18, 18, 2. State at room temperature: Solid. Melting point 321.1 °C, boiling point 766.9 °C. Discovered by Karl Samuel Leberecht Hermann.

Element data from Wikipedia, CC BY-SA 3.0.

Cadmium (Cd), element 48 – Learn Acer periodic table

Cadmium

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