This module is produced to carry out information around Cadmium, which can be really helpful to recognize as this transition metal is poisonous and also can injury those who execute not take care of it through caution.

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Cadmium, a transition metal, has the aramuseum.orgistry symbol the Cd. Cadmium is situated in the d-block and also 12 team of the routine table possessing an atomic number of 48 and also an atomic mass the 112.411g. Cadmium was discovered in Germany in 1817, through a German scientist, Friedrich Strohmeyer. This aspect was really commonly used as a sacrificial anode to protect iron and also steel indigenous corroding and is also used in nickel-cadmium batteries. Cadmium is extremely toxic for this reason it must be used and also handled with great caution.

General properties of Cadmium

aramuseum.orgical Symbol: Cd atom Number: 48 atom Mass: 112.411 team Number: 12 duration Number: 5 Electronegetivity: 1.69 typical State: Solid standard Color: Silvery Grey Metallic Density: 8.65 g/cm3 melting Point: 320.9 oC boil Point: 767oC Most typical Oxidation State: +2 heat of Fusion: 6.192 kJ mol-1 heat of Vaporization: 99.87 kJ mol-1

Atomic Structure

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Common Isotopes

Cadmium has a full of eight normally occuring isotopes. These are 106Cd, 108Cd, 110Cd, 111Cd, 112Cd, 113Cd,114Cd, 116Cd. Of this eight istopes, 114Cd and 112Cd room the most typical with an abundance of 29% and 24% respectively.

Metallic Characteristics

Cadmium steel is soft and also malleable as soon as pure and also is used greatly for electroplating steel (corrosion resistance) and in the produce of bearings. Cadmium compound are additionally found in oil paints wherein they administer some brilliant colors (e.g., "cadmium yellow"). In its solid state, this metal is a silvery grey color. Cadmium is a very great electricity conductor, too as an extremely resistance come corrosion, do it terrific sacrificial anode for metals such as iron and steel.

Like zinc and tin, cadmium steel "cries" or emits a high pitched sound when bent rapidly. Many cadmium today is recovered together a by-product that the zinc refining process.

Natural Occurrences

Cadmium never occurs in nature in its element form. The is constantly found in a compound with one more element. The most common natural compounds of Cadmium are Cadmium Sulfide, Cadmium Carbonate, and Carbon Oxide. Carbon Sulfide, also known together the mineral Greenockite, is the many well known source of Cadmium. Cadmium is additionally found in the Earth"s tardy in quantities of around 0.1 to .2 ppm, a very smallamount. Most of the Cadmium that is derived is v a procedure known together Zinc refinement, which uses their differing melt points.

Common Reactions v Cadmium

Cadmium forms several vital compounds in nature:

Cadmium Oxide (CdO): This compound in offered in a range of reactions consisting of acting as a catalyst in oxidization reactions, hydrogenation reactions, polymerization and also cleavage. Cadmium Oxide is warm resistant therefore it have the right to be an extremely useful in heat-resistant plastics, as well as other coatings because that plastic. This compound is all watched in details enamels and batteries. Cadmium Sulfate (CdSO4): This compound, like plenty of other compound of Cadmium is supplied in electroplating, pigments, fluorescents, and also batteries, specifically the Weston Cell.

These 3 compounds have the most far-ranging use in society; however, a few other compounds that exist in nature are Cadmium Cyanide, Cadmium Chloride, Cadmium Carbonate, and also Cadmium Nitrate.

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Common Uses

Cadmium"s s most well-known to be used in Nicad, or Nickel-Cadium rechargeble batteries, which is the 2nd most widely used battery, checked out in airplanes, telephones, power tools, cd players, computers, and even radar stations. In this battery, Cadmium take away the form of Cadmium hydroxide. Cadmium is additionally used in coatings, pigments, plastics, and also in alloys. The most generally formed alloys space with silver, copper, and also zinc mainly because Cadmium lowers the melt point enabling them to be perfect for the tough soldering the metals. In previous years, Cadmium was supplied in electroplating of steel to defend from corrosion; however, the is no as common.

Hazards and Toxicity

Cadmium is a very toxic metal, as such needs to be handled with great caution. Cadmium can go into the human body through cigarette smoking cigarettes, contaminated water due to landfills, specific foods such as shellfish, and also mostly through handling the steel itself. This steel when inhaled or spend can reason many wellness affects, consisting of vomiting, nausea, diarrhea, dry throat, and also headaches. Much more serious affects room still gift investigated, however is believed to reason high blood pressure, cancer, heart and liver disease.


Schulte-Schrepping, K.-H. And Piscator, M. 2000. Cadmium and also Cadmium Compounds. Ullmann"s Encyclopedia of commercial aramuseum.orgistry.Print. Newton, David E. "Cadmium." aramuseum.orgical Elements: native Carbon come Krypton. Vol. 1. Detroit: U.X.L., 1999. 81-86. Print. Young, Jay A. "Cadmium." journal of aramuseum.orgical education 2005 82 (4), 521. Print.


What is the electron construction of Cd2+? attract the orbital filled diagram for this ion. What is an instance of a well balanced aramuseum.orgical reaction because that the development of Cadmium hydroxide? Don"t forget to include phases. Electroplating was a common use the Cadmium, define what electroplating method and just how is the beneficial? describe the term of an isotope in regards come Cadmium. What are the features of a metal? walk Cadmium present these characteristics?