The nature of Bismuth

Bismuth is a silvery white to pink metal that is brittle and easy to pulverize. Bismuth is chemically stable. Bismuth exists in nature in the form of free metals and minerals. Bismuth was previously…

Similarity of Beryllium and Al…

  In the periodic table, Beryllium and the Aluminum in Group IIIA are in a diagonal position, and their properties are very similar. 1. Standard electrode potentials are similar: they are all active…

Products of the element Beryll…

1. Oxidation of Beryllium Beryllium is burned in oxygen, or the carbonate, nitrate and hydroxide of Beryllium are decomposed by heating, and the white oxidized Beryllium BeO can be obtained. Its…

Main application of Barium

Barium is a silvery white metal with a melting point of 725 'C, a boiling point of 1600 ' C, a density of 3.51 g / cm 3, and ductility. Barium's main ore is barite and toxic heavy stones. The main…

Main compound of Barium

Barium is an alkaline earth metal element. It is the sixth cycle element of the IIA family of the periodic table. It is a lively element in alkaline earth metals. The element name is derived from the…

The attention for aluminum pro…

Aluminum is silver white light metal. It is malleable. Aluminum product is often formed into a rod shape, a sheet shape, a foil shape, a powder shape, a ribbon shape, and a filament shape. An oxide…

The nature and use of aluminum

Aluminum is a silvery white flaky powder. The relative density is 2.55. Melting point 685 ’ C. The boiling point of 2065 ° C, insoluble in water and organic solvents, soluble in dilute hydrochloric…

The importance of molybdenum f…

Molybdenum is easily absorbed in the diet. However, sulfate (SO) affects the absorption of molybdenum by forming molybdenum sulfate with molybdenum. At the same time, sulfate can also inhibit the…

What is Molybdenum

  Molybdenum is a necessary trace element for the human body, animals and plants. It is silvery white metal, hard and tough. Various tissues of the human body contain molybdenum, and the total amount…

Use of zinc oxide

Zinc oxide is an essential additive in the rubber and tire industry. It is also used as a vulcanization activator and reinforcing agent for natural rubber, synthetic rubber and latex, and as a…

Method for preparing zinc oxid…

I, Direct method: 1. It is obtained by calcining zinc carbonate. ZnCO3=ZnO+CO2↑ 2. It is obtained by calcining and decomposing zinc hydroxide. 3. It is smelted into zinc by crude zinc oxide and then…

Chemical properties of Cobalt

The valence of cobalt is divalent and trivalent. It does not interact with water at normal temperature and is stable in humid air. When heated to 300 ° C or higher in air, it oxidizes to form CoO, and…