Cadmium Element in Periodic Table | Atomic Number Atomic Mass
Cadmium is a chemical element and it is a member of group 12 and period 5 in the periodic table. The atomic number of cadmium is 48 and it is indicated by symbol Cd. Cd is a soft, malleable, ductile, bluish –white divalent metal. Cd is chemically similar to zinc and mercury. Cadmium occurs as a minor component in most zinc ores and is a bye-product of zinc production.
Uses of Cadmium Element:
- Cd is used in rechargeable nickel-cadmium batteries.
- It was used to electroplate steel and protect it from corrosion.
- Cadmium absorbs neutrons and so is used in rods in nuclear reactors to control atomic fission.
- Other uses of cadmium include phosphors in cathode ray tube color TV sets, orange and yellow and red pigments.
Cadmium Element Information:
Discovered by: Karl Samuel Leberecht Hermann and Friedrich Stromeyer
Atomic number: 48
Relative atomic mass: 112.414
Electron configuration: [Kr] 4d10 5s2
Other elements in the same block:
Scandium, Titanium, Vanadium, Chromium, Manganese, Iron, Cobalt, Nickel, Copper, Zinc, Yttrium, Zirconium, Niobium, Molybdenum, Technetium, Ruthenium, Rhodium, Palladium, Silver, Lanthanum, Hafnium, Tantalum, Tungsten, Rhenium, Osmium, Iridium, Platinum, Gold, Mercury, Actinium, Rutherfordium, Dubnium, Seaborgium, Bohrium, Hassium, Meitnerium, Darmstadtium, Roentgenium and Copernicium are the elements in the same block.
Period: period 5
Other elements in the same period:
Group: group 12
Other elements in the same group:
Other elements in the same orbital:
Key isotopes: 114Cd
Melting point: 321.069°C, 609.924°F, 594.219 K
Boiling point: 767°C, 1413°F, 1040 K
Element category: post-transition metal
Density (g cm−3): 8.69
CAS number: 7440-43-9
Color: silvery bluish-gray metallic
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