Most selenium in soil is in a very tiny amount. What are some interesting facts on Selenium? It Is Sensitive. Black selenium is converted to grey selenium when temperature is increased to around 180°C. Studies have shown that antioxidant properties, such as those found in selenium, aids in the prevention of rheumatoid arthritis. Hungarian scientist Pál Kitaibel discovered tellurium independently in 1789, but he later gave the … Selenium is also used in semi conductors and been in prescription medication. This is because there are salts that can be found within the element. Selenium concentrations decline with age. ThoughtCo uses cookies to provide you with a great user experience. Selenium sulfide is used in anti-dandruff shampoo… Selenium is a chemical element found in a wide variety of products. It is used in many light-sensing applications: photocopiers, automatic light switches and … Grey allotropic form of seleniu… Selenium has atomic number 34, meaning each atom has 34. The element was featured in the films "Ghostbusters" and "Evolution. Selenium is a strong antioxidant that slows down the free radicals that cause aging. Sharing interesting facts and programs related to Selenium wedriver using java Selenium is gotten as a byproduct. It has 34 protons, and is named after the moon. Approximately 2,000 tons of selenium are extracted annually worldwide. Selenium gets its name from the Greek word "selene," which means "moon." 43 Brazil nuts may be the richest food source of selenium… There are various allotropic forms of selenium, that interconvert into each other with varying temperature. Five of those isotopes are stable, but the 6th one is radioactive. Selenium is essential for proper nutrition in many organisms, including humans and other animals, but is toxic in larger amounts and in compounds. Selenium and its compounds are anti-fungal. She has taught science courses at the high school, college, and graduate levels. A single nut provides enough selenium to meet the daily requirement for a human adult. Selenium naturally appears in water and some foods. (Take that, bacon!) They have large quantities of this element even if they are grown in soil that does not have it. Another 23 unstable isotopes have been produced. That is because they are used to help control dandruff. Selenium is more concentrated in the thyroid than any other area of the body. Although our body requires only a small amount of selenium, the nutrient plays a crucial role in regulating our metabolism and thyroid function. Scientists have been able to produce another 23 unstable isotopes artificially with selenium. Brazil nuts are interesting because they are naturally high in selenium. As one might expect, in the dark, Selenium acts as an insulator. Selenium exhibits photovoltaic action, where light is converted directly into electricity, and photoconductive action, where electrical resistance decreases with increased illumination. It is commonly found in laser printers and photocopiers. Selenium is most commonly produced as a byproduct of copper refining. For example, a Brazil nut contains about 180 quadrillion selenium atoms! Animals that do not have enough selenium in their diets may develop weak muscles. Selenium has some rather interesting nutritional roles. Selenium side effects. This native selenium is exactly as it came out of the ground. Foods reputed to be good sources of selenium … Much like Symptoms of Vitamin D Deficiency, the … What is interesting about this element, however, is that it can also be used take the colors out of glass. Number … Selenium is able to color glass red. You probably use technology today that incorporates selenium in some way. However, the half-life of the unstable isotope is so long that it is essentially stable. Here are some interesting facts about selenium: Selenium gets its name from the Greek word "selene," which means "moon." Boiling point: 1,265 F (685 C) 8. You probably have selenium salts somewhere in your home right now. It is essential in very small amounts for the health of both plants and animals. Atomic number (number of protons in the nucleus): 34 2. 42 Selenomethionine is the major seleno-compound in cereal grains, legumes, soybeans, and yeast. Selenium exists in an amorphous powder form in chemical reactions. Selenium is found and used in many things that people may not realize. An interesting trait about selenium is the fact that it has a photoelectric effect. Antioxidants help to protect your body’s cells from … This selenium is in selenides. Brazil nuts are high in selenium, even if they are grown in soil that is not rich in the element. The amount of selenium in food often depends on the selenium concentration of the soil and water where farmers grew or raised the food. Scottish-born American inventor Alexander Graham Bell (1847–1922) made a selenium-based photophone in 1879. Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.. Long term use of high selenium doses can lead to dangerous side effects. It is an essential element of proper nutrition in many plants and animals the day, including humans. Selenium (Se) is an essential trace element, therefore, it must be taken in small amounts through a varied and balanced diet. Selenium is used with bismuthin brasses and as an additive to stainless steel. Selenium is found most in sulfide ores like pyrite. Selenium is used in the glass industry to decolorize glass and to make red-colored glasses and enamels. There are six natural isotopes of selenium. It is considered a trace element because, although vital, the body … It is also used as a photographic toner. Questions; What are some interesting facts on Selenium? The expression of wearing rose-colored glasses comes about because of the color of glass that selenium exposure is able to produce. The primary use of selenium is to decolorize glass, to color glass red, and to make the pigment China Red. Alexander Graham Bell, who is given credit for the invention of the telephone, actually invented a photo phone in 1879 that was based on the principles of light sensitivity with selenium. Melting point: 429 degrees Fahrenheit (220.5 degrees Celsius) 7. Selenium Helps the Antioxidants in Your Body. Here’s 5 Facts About Rheumatoid Arthritis And Selenium You Need To Know: 1. Sometimes selenium is concentrated in plants. It is used as a catalyst in many chemical reactions. One of the first uses of selenium, in fact, was at the light sensor back in the 1870s. English electrical engineer Willoughby Smith (1828–1891) discovered that selenium reacts to light (photoelectric effect), leading to its use as a light sensor in the 1870s. Other uses are in photocells, in laser printers and photocopiers, in steels, in semiconductors, and in assorted medicinal preparations. But, … It can also be leached into rivers when copper is mined. Selenium is a member of the sulfur group of nonmetallic elements and is similar to this element in terms of its forms and compounds. And when subjected to rapid melting, selenium acquires a black glass like allotropic form. This means that it reacts to light. Selenium is a non-metal and is sometimes considered as a metalloid. But large doses of selenium … A clean and minimal question and answer … Selenium (Se), a chemical element in the oxygen group (Group 16 [VIa] of the periodic table), closely allied in chemical and physical properties with the elements sulfur and tellurium.Selenium is rare, … ". There is an element known as Selenium that only conducts electricity when light is shined on it. Selenium salts are used to help control dandruff. The problem is that when she much selenium is adjusted, it can become toxic. Gallium first became recognized as a critical mineral resource during World War II and was used in … Here are the properties of selenium, according to the Jefferson Lab: 1. Interesting Selenium Facts: Selenium was discovered in 1817 by Swedish chemist Jons Jacob Berzelius. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. If there is not enough selenium in a person’s diet, … Interesting Facts About Selenium. It is in very small amounts in the human body. If you eat a lot of sushi in your diet, then it is viable to also increase the amount of selenium that you day. Selenium has atomic … Let's Have A Look At The Facts About Selenium It's a trace element essential to human Selenium is vital to the functioning of glutathione peroxidase which is an enzyme that protects cell membranes against … Liquid selenium exhibits extremely high surface tension. One of the most nutritionally unique facts about Brazil nuts is that they are one of the highest known dietary sources of the mineral selenium (Se), more than any plant-based, animal or seafood-derived food. Fast facts on selenium Here are some key points about selenium. Due to the smell of the precipitate during burning, Berzelius originally thought he was working with tellurium. That means you might have to eat three Brazil nuts instead of just one to make sure that you have the daily required dose that will help keep you healthy. Selenium is an essential mineral for our bodies, which is found naturally in the soil, water, and certain food produce. Selenium is very rarely found as an element in the ground. Selenium is an important nutrient that supports everything from your thyroid gland to your immune system. Some coal has selenium in it. This … Stop taking selenium … Selenium also influences our cognitive functions, fertility, and our immune health. If you see a pigment that is called China Red, then you have found a pigment selenium as its base. Atomic symbol (on the Periodic Table of Elements): Se 3. All they would produce the movie where alien invaders were found to be sensitive to selenium. Selenium found a number of things today. Here are some interesting facts about this element that you may not have known. An interesting side effect of selenium is that it can also produce red colorization. One is radioactive, while the other five are stable. Selenium was discovered jointly in 1817 by Swedish chemists Jöns Jakob Berzelius (1779–1848) and Johan Gottlieb Gahn (1745–1818). Vegetarian friends – there’s vegetarian food that’s even higher in selenium than bacon. Selenium Selenium occurs in (fairly) pure form in nature. Another interesting component of money on is the fact that it can protect people against Mercury poisoning. Selenium is used in solar cells and photocells – in fact the first solar cell was made using selenium. Atomic weight (average mass of the atom): 78.96 4. An interesting trait about selenium is the fact that it has a photoelectric effect. It is easily washed away. Selene was the Greek goddess of the moon. Facts About Selenium Deficiency Unfortunately, another one of the facts about selenium is that there are few noticeable selenium deficiency symptoms. Selenium is a mineral found in the soil. Selenium is important to several enzymes, including antioxidant enzymes glutathione peroxidase and thioredoxin reductase and the deiodinase enzymes that convert thyroid hormones into other forms. Phase at room temperature: Solid 6. Dietary selenite is more than 80% bioavailable, while dietary selenomethionine is more than 90% bioavailable. Element Selenium (Se), Group 16, Atomic Number 34, p-block, Mass 78.971. Selenium, which is nutritionally essential for humans, is a constituent of more than two dozen selenoproteins that play critical roles in reproduction, thyroid hormone metabolism, DNA synthesis, and protection from oxidative damage … The half-life of the unstable isotope is so long, however, that it is basically stable even if it isn’t classified as such. Some plants require high levels of selenium to survive, so the presence of those plants means the soil is rich in the element. red selenium has here sub-forms, alpha, beta and gamma. Selenium is protective against mercury poisoning. A single Brazil not have enough selenium to meet the daily requirements that the average adult requires. Filed Under: Medical Articles and Infographics, © 2020 - Privacy Policy, 14 Hysterectomy for Fibroids Pros and Cons, 12 Pros and Cons of the Da Vinci Robotic Surgery, 14 Pros and Cons of the Cataract Surgery Multifocal Lens, 11 Pros and Cons of Monovision Cataract Surgery. When selenium is added to iron and copper based metals it improves their machinability. Dietary Sources and Safety. Although it is uncommonly found, selenium does exist in relatively pure form, free in nature. First discovered in 1817 by Swedish scientist, it is a nonmetal that is relatively uncommon in its pure form in nature. Dietary selenium is primarily inorganic selenite or organic selenomethionine. Too much selenium is bad for a river. Connect with: Register or Login. Selenium has six natural isotopes. Fun fACTS. Background On Selenium 2. Here are some interesting facts about selenium: Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. Selene was the Greek goddess of the moon. AskBug. They are therefore an alternative often considered for those looking to supplement selenium … Density: 4.809 grams per cubic centimeter 5. By using ThoughtCo, you accept our, Xenon Facts (Atomic Number 54 and Element Symbol Xe), Ph.D., Biomedical Sciences, University of Tennessee at Knoxville, B.A., Physics and Mathematics, Hastings College.
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