6:04 Rhenium-185 has 75 protons and 110 neutrons in its nucleus while rhenium-187 has 75 protons and 112 neutrons. study Course Navigator The atomic weight of Rhenium (Re) as found on the periodic table of the elements is 186.207. When rhenium is mixed with nickel and iron, it forms another alloy that is used in the engines of F-15 and F-16 fighter jets! There are many unstable isotopes of Rhenium but Rhenium 185 is the only stable isotope. MTO catalyses for the oxidations with Commercial rhenium is extracted from molybdenum roaster-flue gas obtained from copper-sulfide ores. Rhenium 185 is stable but Rhenium 186 is unstable as it has an extra proton which makes too many of them compared to the amount of neutrons. The rhenium used in the flashbulb that we talked about earlier was actually an alloy, or a mixture of two metals. 160 Re 161 Re 162 Re 163 Re 164 Re 165 Re 166 Re 167 Re 168 Re 169 Re 170 Re 171 Re 172 Re 173 Re 174 Re 175 Re 176 Re 177 Re 178 Re 179 Re 180 Re 181 Re 182 Re 183 Re Its chemical properties will be exactly like those of U-235 The element rhenium (Re) exists as two stable isotopes and 18 unstable isotopes. Soluble salts, such as the rhenium halides or perrhenates, could be hazardous due to elements other than rhenium or due to rhenium itself. It has two isotopes with mass numbers of 185 and 187. Rhenium also has the highest boiling point of all the metals, 5590°C! 9. 5. Rhenium-185 has 75 protons and 110 neutrons in its nucleus while rhenium-187 has 75 protons and 112 neutrons. Re-187 can be used for the production of Re-188 which is used for cancer therapy and restenosis, though most Re-188 is produced via W-186.

Currently, rhenium alloys are used in the engines of fighter jets.Did you know… We have over 200 college
There is a fine wire inside the bulb, which could be made of several different metals, but was usually zirconium metal. courses that prepare you to earn

These bulbs only worked one time and then you had to throw them away.

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The element rhenium (RE) exists as two stable isotopes and 18 unstable isotopes. Re-185 is used for the production of Re-186 which is used for bone pain palliation.

b.75 protons, 130 neutrons. Rhenium alloys were used as igniters in old flashbulbs.

Number of Protons/Electrons in Rhenium : 75 . credit-by-exam regardless of age or education level.Not sure what college you want to attend yet? Naturally occurring rhenium is only 37.4% 185 Re, and 62.6% 187 Re, which is unstable but has a very long half-life (≈10 10 years). E) not enough information is given. Two radioactive isotopes, rhenium-186 and rhenium-188, are used to treat some liver cancers. For example, two of the most abundant isotopes are rhenium-185 and rhenium-187. Let x = the atomic weight of Re-185 and (371.9087 - x) = the atomic weight of Re-187. Only tungsten and carbon are higher! Rhenium has a super high melting point of 3185°C. As a refresher, isotopes of the same element have the same number of protons, but a different amount of neutrons. 8. and career path that can help you find the school that's right for you.Get the unbiased info you need to find the right school.© copyright 2003-2020 Study.com. At the beginning of the 20th century, most of the naturally occurring elements on the periodic table had been found. Stable even–even nuclides number as many as three isobars for some mass numbers, and up to seven isotopes for some atomic numbers. The element rhenium (Re) exists as two stable isotopes and 18 unstable isotopes. Used by over Which among the following represent a set of isotopes? a.75 protons, 75 neutrons. The element with atomic number 75 is Rhenium (Re). Rhenium-185 (185Re) has in its nucleus: 75 protons, 110 neutrons 130 protons, 75 neutrons 75 protons, 130 neutrons 75 protons, 75 neutrons Rhenium was used to ignite the lighter, making the flash go off. Atomic nuclei containing Manganese had been discovered, but there were holes in spots 43 and 75. 6. Some molybdenum ores contain 0.001% to 0.2% rhenium.Rhenium is added to high-temperature superalloys that are used to make The high temperature stability, low vapor pressure, good Rhenium has a high melting point and a low vapor pressure similar to Rhenium in the form of rhenium-platinum alloy is used as catalyst for Very little is known about the toxicity of rhenium and its compounds because they are used in very small amounts. There was one glaring exception though, the elements in group 7.

e.not enough information … Given that 37.1% of natural rhenium is rhenium-185, which is the other stable isotope? first two years of college and save thousands off your degree. C) 130 protons, 75 neutrons. Which of the following statements are true of U-238? Rhenium has one stable isotope, rhenium-185, which nevertheless occurs in minority abundance, a situation found only in two other elements (indium and tellurium).

Unstable Isotopes.


All rights reserved. You can test out of the B) 75 protons, 130 neutrons. Rhenium has only one stable isotope (Rhenium -185 ) which is one of the rarest elements found only in two elements of tellurium and indium.

o. Re-183 00 Re-187 i. Re-189 e. Re-181 Y. Re-190 t8C.2 . Rhenium is generally considered to have been discovered by Rhenium is a silvery-white metal with one of the highest Its usual commercial form is a powder, but this element can be consolidated by pressing and In bulk form and at room temperature and atmospheric pressure, the element resists alkalis, Like tungsten and molybdenum, with which it shares chemical similarities, rhenium forms a variety of Analogous alkyl and aryl derivatives are known.


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