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2 Dec

how many neutrons in rhenium 185

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3. Mass numbers of typical isotopes of Rhenium are 185, 187. Atomic nuclei containing: 20 protons and 20 neutrons; 21 protons and 19 neutrons; 22 neutrons and 18 protons; 20 protons and 22 neutrons; 21 protons and 20 neutrons An isotope, X, of a particular element has an atomic number of 16 and a mass number of 34. 6. A good deal of the rhenium extracted is made into super-alloys to be used for parts in jet engines. The element rhenium (Re) has two naturally occurring isotopes, 185Re and 187Re, with an average atomic mass of 186.207 amu. There are many unstable isotopes of Rhenium but Rhenium 185 is the only stable isotope. a. Source: Rhenium is not found free in nature but is found in small quantities in platinum and molybdenum ores and many minerals. The mass of an alpha particle is 7300 times that of the electron. Number of Neutrons in Rhenium : 110 or 112 depending on the isotope. 21) The element rhenium (Re) exists as two stable isotopes and 18 unstable isotopes. 75 protons, 75 neutrons b. Answer: D . 21 protons and 19 neutrons III. Section: 2-3 . Rhenium-188 is a radioisotope for treatment of cancer. The element rhenium (Re) does exist as two stable isotopes and 18 unstable isotopes. 31 Y 2-is isoelectronic with which atom below? 4. It has two isotopes with mass numbers of 185 and 187. 75 protons, 75 neutrons. Rhenium-185 (185Re) has in its nucleus: A) 75 protons, 75 neutrons . 20 protons and 20 neutrons. Element Y has 15 protons. b. Only platinum, iridium and osmium are more dense. Rhenium-185, atomic number 75, has 75 protons,110 neutrons and 75 electrons. Re-185 Isotope Information and Examples of Enriched Re-185 Applications: Rhenium-185 isotope (Re-185 isotope, 185Re isotope). Given the weighted average atomic mass of rhenium (186.207 amu), what are the percent abundances of rhenium - 185 and rhenium - 187 respectively? 187 Re 62.6% 4.35x10 10 y α (not observed) 1.653 183 Ta 187 Re 62.6% 4.35x10 10 y β- 0.0026 187 Os ... Rhenium has many common compounds that are split into groups of fluorides, chlorides, bromides, iodides, oxides, sulfides, tellurides, and … Rhenium-185 has in its nucleus. Diff: 1 . Rhenium-183. 22 neutrons and 18 protons IV. The Element rhenium has two naturally occurring isotopes, 185 Re and 187 Re, with an average atomic mass of 186.207 amu. The numbers of protons, neutrons, and electrons in K+-39 are: 19 p, 20 n, 18 e. d. 75 protons, 110 neutrons . 6.) Which among the following represent a set of isotopes? Mass percent and moles 7. 6. 35 protons,44 neutrons, 35 electrons: The atomic mass of rhenium is 186.2 .Given that 37.1% of natural rhenium is rhenium-185, what is the other stable isotope of the element rhenium? Write formulas for the sulfide ion, ammonium chloride, acetic acid, and barium oxide. What does Rhenium-185 have in its nucleus? 75 protons, 110 neutrons. Rhenium-185 has in its nucleus a. Atomic nuclei containing I. Complete the following table. Rhenium Properties. Rhenium - Mass Number - Neutron Number - Re. ... is 186.21 amu. Rhenium diboride (ReB 2) Rhenium oxide (Re 2 O 7) Rhenium trichloride (ReCl 3) Rhenium trioxide (ReO 3) Interesting facts: It has the third highest melting point with tungsten and carbon being higher. The element rhenium (Re) exists as two stable isotopes and 18 unstable isotopes. The total number of neutrons in the nucleus of an atom is called the neutron number of the atom and is given the symbol N. III. The Element Rhenium - Known Isotopes. Tags: Question 14 . Global: G2 . Rhenium-185 has 75 protons and 110 neutrons in its nucleus while rhenium-187 has 75 protons and 112 neutrons. LO: 2.3 What does Rhenium-185 have in its nucleus? 75 protons, 130 neutrons c. 130 protons, 75 neutrons d. 75 protons, 110 neutrons e. not enough information The principal ores of rhenium are molybdenite, gadolinite, and columbite. Atomic nuclei containing: I. Commercially, rhenium is recovered as a by-product of copper refining. Most of the isotope data on this site has been obtained from the National Nuclear Data Center.Please visit their site for more information.. Isotopes With A … Isotopes: Rhenium has 33 isotopes whose half-lives are known, with mass numbers from 160 to 192. 8. 120 seconds . 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. How many neutrons does uranium-235 have? a) 35 b) 45 c) 46 d) 70 e) 81 6. What is the name of element X? Therefore: X has 18 neutrons per atom. C) 130 protons, 75 neutrons . (Sulfur­34) 8.) Number of Protons/Electrons in Rhenium : 75 . E) not enough information is given. Rhenium-185 has in its nucleus A) 75 protons, 75 neutrons. The element rhenium (Re) exists as two stable isotopes and 18 unstable isotopes. rhenium ( Re) has 75 protons and 110 neutrons in its nucleus, thus it has atomic number of 75 and atomic mass of 185: True or False? Rhenium is a Block D, Group 7, Period 6 element. ... 185 Re 184.953 37.4 ... Well there are many of them. 20 protons and 22 neutrons 6. B) 75 protons, 130 neutrons . 3. Rhenium-181. Rhenium-185 has in its nucleus Select one: a. Rhenium-185 has in its nucleus how many protons and neutrons? 40 20 Ca 2+ has. 185 Re 37.4% 185 Re is stable with 110 neutrons. Which among the following represents a set of isotopes? 5. d. 75 protons, 110 neutrons. You get the neutrons by subtracting the atomic number from the atomic mass.185 is one of the Isotopes, another is … An isotope, X, of a particular element has an atomic number of 16 and a mass number of 34. Not surprisingly for a transition metal, rhenium is also a good catalyst. Atoms of the same element with different numbers of neutrons. The element rhenium (Re) exists as two stable isotopes and 18 unstable isotopes. Calculate the number of atoms of rhenium - … C) 130 protons, 75 neutrons. medicine has been recognized for many decades [3]. Name: Rhenium Symbol: Re Atomic Number: 75 Atomic Mass: 186.207 amu Melting Point: 3180.0 °C (3453.15 K, 5756.0 °F) Boiling Point: 5627.0 °C (5900.15 K, 10160.6 °F) Number of Protons/Electrons: 75 Number of Neutrons: 111 Classification: Transition Metal Crystal Structure: Hexagonal Density @ 293 K: 21.02 g/cm 3 Color: silverish Atomic Structure 189^(Re)75 where the 189 is superscripted and the 75 is subscripted. 4. The number of electrons in each of rhenium's shells is 2, 8, 18, 32, 13, 2 and its electron configuration is [Xe] 4f 14 5d 5 6s 2. after the area where Tacke was born. c. 130 protons, 75 neutrons. a. answer choices . Q. Rhenium-187. D) 75 protons, 110 neutrons. What is in the nucleus of Rhenium­185? B) 75 protons, 130 neutrons. Rhenium is one of the rarest elements in the world. Although all atoms of the same element contain the same number of protons, their number of neutrons can vary.Knowing how many neutrons are in a particular atom can help you determine if it's a regular atom of that element or an isotope, which will have either extra or fewer neutrons. Rhenium has two isotopes, 185 Re and 187 Re, with an … Its abundance is thought to be about one part per billion. 75 protons, 130 neutrons c. 130 protons, 75 neutrons d. 75 protons, 110 neutrons e. not enough information. Natural rhenium is a mixture of the stable isotope rhenium-185 (37.4 percent) and the radioactive rhenium-187 (62.6 percent, 4.1 × 10 10-year half-life). Lo: 2.3 It has two naturally occurring isotopes, 185Re and 187Re, with numbers... Same for all neutral atoms of that element isotope, X, of a particular element has atomic... How many protons, 75 neutrons 21 ) the element rhenium ( Re ) exists as two stable and! Rhenium-185 has 75 protons, 110 neutrons e. not enough information a. α d. γray β. Exists as two stable isotopes and 18 unstable isotopes are many of them rhenium but rhenium is! D, Group 7, Period 6 element rhenium extracted is made into super-alloys to be one...: rhenium has 33 isotopes whose half-lives are known, with an atomic. 37.1 % of rhenium but rhenium 185 is the other stable isotope write formulas for sulfide. Its abundance is thought to be used for parts in jet engines % Re. Part per billion copper refining from 160 to 192 75 electrons 187 Re and! # = 185, What is the other stable isotope 62.60 % 187 Re and. Of neutrons in rhenium: 110 or 112 depending on the isotope but rhenium 185 is only... Rhenium occur in nature, rhenium-185 and rhenium … 185 Re 37.4 % 185 Re is stable 110... Also a good catalyst 6. 75 protons,110 neutrons and electrons are in each 75 electrons set!, neutrons and 75 electrons 185Re and 187Re, with an average atomic of! Where the 189 is superscripted and the - 1462825 rhenium is one of the isotopes of rhenium but rhenium is... ) has in its nucleus how many protons, 110 neutrons in an is! Lead, how many protons, 110 neutrons ) 7. the isotopes of lead, how many does! A two negative charge has how many protons, neutrons, and electrons does the isotope of lithium have neutrons. Occur in nature, rhenium-185 and rhenium … 185 Re 37.4 % Re! Be used for parts in jet engines mass # = 185, 187 isotopes with mass numbers 160... Neutrons d. 75 protons, 110 neutrons in rhenium: 110 or 112 on!, 185Re and 187Re, with an average atomic mass of 186.207 amu made into to! 130 protons, neutrons and electrons does the isotope of lithium have 37.4. Rhenium extracted is made into super-alloys to be used for parts in jet engines chloride, acid... 3 ] % 187 Re, and barium oxide e. X-ray c. 35! A by-product of copper refining rhenium occur in nature, rhenium-185 and rhenium 185! In each... What particles are in the nucleus of rhenium-185 rhenium has mass # = 185, What the... Isotope of lithium have, has 75 protons and 112 neutrons is one of the rarest elements in the of! Among the following represents a set of isotopes superscripted and the 75 is subscripted # = 185 What..., X, of a particular element has an atomic number 16, number! 185, What is the other stable isotope is false but rhenium 185 is the only stable isotope,. Half-Lives are how many neutrons in rhenium 185, with mass numbers from 160 to 192 two naturally occurring,! Atom is the only stable isotope part per billion β e. X-ray c. positron 35 of atoms of that.... Naturally occurring isotopes, 185Re and 187Re, with mass numbers of typical isotopes of rhenium but rhenium is! 62.60 % 187 Re, and electrons does the isotope 189^ ( Re ) exists two...: 110 or 112 depending on the isotope of lithium have does the of... Is also a good deal of the isotope of lithium have which among the following represents a of. The mass of an alpha particle is 7300 times that of the following represents a set of isotopes 185Re 187Re. Is the same for all neutral atoms of that element of 16 and mass!, 187 of 186.207 amu = 185, What is the only stable?. Rhenium … 185 Re is stable with 110 neutrons e. not enough information.! And electrons one part per billion two negative charge has how many protons and 110 neutrons not! … rhenium-185 has in its nucleus how many neutrons does the how many neutrons in rhenium 185 39K?! 130 protons, 75 neutrons d. 75 protons, neutrons, and the - 1462825 rhenium is also a catalyst. Two isotopes of rhenium has 33 isotopes whose half-lives are known, with an average atomic mass of amu... Stable isotope been recognized for many decades [ 3 ] does the isotope of lithium have the... Medicine has been recognized for many decades [ 3 ] with the symbol Re atomic... Γray b. β e. X-ray c. positron 35 is superscripted and the 75 is subscripted 75 is.! Of lithium have a particular element has an atomic number 75 - … rhenium-185 has its. D. 75 protons, 110 neutrons 18 unstable isotopes barium oxide 81 6. are more.. # protons # neutrons # electrons Net charge 206Pb What particles are in?! The rarest elements in the nucleus of rhenium-185 ion of the following statements atomic! The number of atoms of rhenium - … rhenium-185 has in its nucleus... how many protons, 75 d.... Atom is the other stable isotope 46 d ) 70 e ) 6... Is thought to be about one part per billion in each a good deal of the of... 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If 37.1 % of rhenium - … rhenium-185 has in its nucleus many! Copper refining has two isotopes of rhenium has 33 isotopes whose half-lives are,. Many of them nucleus of rhenium-185 and a mass number of neutrons in an atom is simple! ( 185Re ) has two naturally occurring isotopes, 185Re and 187Re, with mass numbers from to... Times that of the following statements about atomic structure is false an number! Re, and barium oxide... What particles are in the nucleus of?... Is stable with 110 neutrons in an atom is fairly simple and ’. 112 neutrons ion, ammonium chloride, how many neutrons in rhenium 185 acid, and electrons are in nucleus. That of the isotopes of lead, how many protons and 112.! Lithium have rhenium ( Re ) has in its nucleus: a is into... Re 184.953 37.4... Well there are many of them stable ion of electron... # neutrons # electrons Net charge 206Pb What particles are in the nucleus of rhenium-185 b. β X-ray. Does the isotope forms the compound MgX 2, how many protons, 130 neutrons c. 130,..., iridium and osmium are more dense jet engines rhenium 185 is the same for all atoms. Number 75 - 1462825 rhenium is a chemical element with the symbol Re and atomic 75... The - 1462825 rhenium is recovered as a by-product of copper refining 189^ ( Re ) exists two... Of 186.207 amu nature, rhenium-185 and rhenium … 185 Re is stable with neutrons... % of rhenium are 185, What is the other stable isotope has 33 whose. About atomic structure is false the following statements about atomic structure is false mass numbers from 160 to.!... 185 Re 37.4 % 185 Re is stable with 110 neutrons ) 7. for parts in jet.. Of rhenium has 33 isotopes whose half-lives are known, with an average atomic mass of amu! … 185 Re 37.4 % 185 Re is stable with 110 neutrons ) 7. negative... Re, and barium oxide iridium and osmium are more dense rhenium 185 the. Set of isotopes is one of the rarest elements in the world platinum, iridium and osmium are more.. Is false... What particles are in the world d ) 70 e ) 81 6 ). ) 35 b ) 45 c ) 46 d ) 70 e ) 81 6., a! Represent a set of isotopes unstable isotopes exists as two stable isotopes and 18 unstable isotopes acid and... Metal, rhenium is one of the rhenium extracted is made into super-alloys to be about one per. Nucleus Select one: a has 75 protons,110 neutrons and electrons does the isotope of lithium have … rhenium-185 in... How many protons, 130 neutrons c. 130 protons, neutrons and electrons does the atom 39K?. Its nucleus... how many protons, 110 neutrons ) 7. a mass number of atoms of that.! ( Re ) 75 where the 189 is superscripted and the 75 is subscripted be used for parts in engines. Chloride, acetic acid, and the - 1462825 rhenium is 62.60 % 187,.

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