Beryllium is lighter than aluminum but is > 40% more rigid than steel. 1.2 Physical-chemical properties . Chemical Properties. They cause skin and eye irritation, and could be fatal if inhaled. However, powdered beryllium burns brilliantly, when it is ignited in air, and it gives beryllium oxide (BeO) and beryllium nitride (Be3N2). 1) Beryllium on reacting with some acids or with water results in the formation of hydrogen gas. Chemical Properties of Beryllium. Beryllium nanoparticles are graded as very toxic and should be handled with care. They have also been tested to be carcinogenic. Beryllium belongs to the alkaline earth metal category, s-block and period 2 of the periodic table. When the temperature is less than 600 degrees, the beryllium in dry air can be oxidized for a long time, is higher than 600 DEG C, the oxidation rate will gradually increase. Beryllium has but a single isotope, beryllium-9 which is not radioactive but beryllium-10, which cosmic rays produce in the upper atmosphere, is radioactive with a half-life of 1.5 million years. Beryllium content on earth’s crust is 2.6 ppm. Beryllium is kinetically inert to oxygen and water because it forms an oxide film on its surface. Beryllium Compounds . 2) Beryllium reacts with oxygen when exposed to air to form BeO (beryllium oxide) but it resists oxidation at a particular standard pressure and temperature. The structure of Beryllium is hexagonal close-packed, as illustrated in Figure 1-1. Chemical property Beryllium is a very reactive metal, which has a great affinity with oxygen and can react with oxygen at room temperature to produce a thin, protective oxide film on its surface. Beryllium Properties, History, and Applications Share Flipboard Email Print Science Picture Co. / Getty Images Science. Classification and labelling status 11 ... Chemical name CAS Formula Beryllium 7440-41-7 Be Beryllium acetylide 506-66-1 CBe2 Beryllium carbonate (Basic beryllium carbonate (mixed salt) 66104-24-3 Be2CO3(OH)2 Beryllium carbonate 13106-47-3 BeCO3 Beryllium chloride 7787-47-5 BeCl2 Beryllium diammonium tetrafluoride 14874-86-3 BeF4N2H8 Beryllium … Chemical Properties Reactivity with Air and Water. It is found in as many as 30 different minerals. Chemical Properties Chemistry Chemistry In Everyday Life Basics Chemical Laws Molecules Periodic Table Projects & Experiments Scientific Method Biochemistry Physical Chemistry Medical Chemistry Famous Chemists Activities for Kids Abbreviations & Acronyms Biology Physics Geology … Physico-chemical properties 10 1.2. It is one of the most toxic elements, hence causes damage to human lungs and other organisms. Compounds of beryllium have an exclusive oxidation state of +2. The beryllium oxides have rock salt structure, which shows that it is covalent in nature. The chemical properties of beryllium nanoparticles are outlined in the following table. Beryllium has a very high specific heat, heat of fusion, sound conductance, and strength­ to-weight ratio. Poison B for beryllium compounds.


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