Technetium is the lightest chemical component with no stable isotope, and therefore the lightest radioactive element. It is a artificial element with the atomic number 43 and is given with the symbol Tc. The chemical properties of this silvery grey, crystalline transition metal are halfway between rhenium and manganese. Its short-lived gamma-emitting nuclear isomer Tc is used in nuclear medicine for a wide variety of diagnostic tests. Tc is used as a gamma ray-free source of beta particles.
Technetium is a silvery-grey radioactive metal with an exterior similar to platinum. However, it is normally obtained as a grey powder. Its position in the group 7 of the periodic table is between rhenium and manganese and as predicted by the periodic law its properties are intermediate between those two elements.
Technetium is used in radioactive isotope medical tests, for example as a radioactive tracer that medical equipment can notice in the human body. It is well suited to the role because it emits readily detectable 140 keV gamma rays, and its half-life is 6.01 hours.Klaus Schwochau's book Technetium lists 31 radiopharmaceuticals based on 99mTc for imaging and functional studies of the brain, myocardium, thyroid, lungs, liver, gallbladder, kidneys, skeleton, blood, and tumors.
Looking at what the nature has to offer, it conveys a lot of information when it comes to things that it holds in it, within it and on it. With need for minerals and its wide spread application getting widened each day, the stint of its very existence is getting blink and its depreciation in its source which is its over usage is on the high.
Buttonliterally means extraction .Our Mother Earth has lots of resources deep within her and mining is the method of extracting all these valuable resources from the earth through different means.There are different methods to extract these resources which are found in different forms beneath the earth's surface.
ButtonThe metal mining was one of the traditions that have been passed on meritoriously over the past years so that we meet our day-to-day needs of the desired material usage starting from the equipments that are ornamental as well as purposeful coordination of information's.
Jadeite is a pyroxene mineral and is one of the two types of pure jade. The other is known as nephrite jade. Jadeite is the rarer of the two jades, and as a result, it is considered to be more precious and valuable. Due to its striking and emerald green color it is also known as "imperial jadeite".
ButtonSurface mining is basically employed when deposits of commercially viable minerals or rock are found closer to the surface; that is, where overstrain (surface material covering the valuable deposit) is relatively very less or the material of interest is structurally unsuitable for heavy handling or tunneling.
Underground mining is carried out when the rocks, minerals, or precious stones are located at a distance far beneath the ground to be extracted with surface mining. To facilitate the minerals to be taken out of the mine, the miners construct underground rooms to work in.
Gold is a chemical component with the symbol Au that springs up from the Latin derivative aurum that means shining dawn and with the atomic number 79. It is a very sought-after valuable metal which, for many centuries, has been utilized as wealth. The metal resembles as nuggets or grain like structures in rocks, subversive "veins" and in alluvial deposits. It is one of the currency metals.
ButtonPlatinum, is a heavy, malleable,ductile, highly inactive, silverish-white transition metal. Platinum is a member of group 10 elements of the periodic table.It is one among the scarce elements found in Earth's crust and has six naturally occurring isotopes. It is also achemical element.
Diamonds and supplementary valuable and semi-precious gemstones are excavated from the earth level via 4 main types on mining. These diamond withdrawal methods vary depending on how the minerals are situated within the earth, the steadiness of the material neighboring the preferred mineral, and the nonessential damage done to the surrounding environment.
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