how many neutrons in rhenium 185

by on December 2, 2020

Atomic nuclei containing: I. Which among the following represents a set of isotopes? 75 protons, 75 neutrons. 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 … 75 protons, 110 neutrons. B) 75 protons, 130 neutrons. 4. a. α d. γray b. β e. X-ray c. positron 35. 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 Two isotopes of rhenium occur in nature, rhenium-185 and rhenium … Number of Protons/Electrons in Rhenium : 75 . Rhenium-185 has in its nucleus Select one: a. For each of the isotopes of lead, how many protons, neutrons, and electrons are in each? ... 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. Write formulas for the sulfide ion, ammonium chloride, acetic acid, and barium oxide. d. 75 protons, 110 neutrons . it has 6 protons and 6 neutrons b. it has 12 protons and 12 neutrons c. it has 12 protons and 8 neutrons d. it has 6 protons and 8 neutrons ... (Rhenium-185 is a stable isotope.) Isotopes. LO: 2.3 Only platinum, iridium and osmium are more dense. 3. 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. 75 protons, 130 neutrons. Rhenium is a Block D, Group 7, Period 6 element. Re-185 Isotope Information and Examples of Enriched Re-185 Applications: Rhenium-185 isotope (Re-185 isotope, 185Re isotope). Rhenium is 62.60% 187 Re, and the - 1462825 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 … The element rhenium (Re) does exist as two stable isotopes and 18 unstable isotopes. 31 Y 2-is isoelectronic with which atom below? D) 75 protons, 110 neutrons. 8. Rhenium-188 is a radioisotope for treatment of cancer. Atoms of the same element with different numbers of neutrons. 20 protons and 22 neutrons 75 protons, 75 neutrons ... What particles are in the nucleus of Rhenium-185? Rhenium-185 has in its nucleus ... How many protons, neutrons, and electrons does the atom 39K have? 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). Element Y has 15 protons. How many neutrons does uranium-235 have? What is the name of element X? 6. 75 protons, 130 neutrons c. 130 protons, 75 neutrons d. 75 protons, 110 neutrons e. not enough information The Element Rhenium - Known Isotopes. 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? 21) The element rhenium (Re) exists as two stable isotopes and 18 unstable isotopes. d. 75 protons, 110 neutrons. answer choices . The numbers of protons, neutrons, and electrons in K+-39 are: 19 p, 20 n, 18 e. What does Rhenium-185 have in its nucleus? What is in the nucleus of Rhenium­185? 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? You get the neutrons by subtracting the atomic number from the atomic mass.185 is one of the Isotopes, another is … The mass of an alpha particle is 7300 times that of the electron. 185 Re 37.4% 185 Re is stable with 110 neutrons. C) 130 protons, 75 neutrons . Rhenium-187. Rhenium-181. The principal ores of rhenium are molybdenite, gadolinite, and columbite. Which one of the following statements about atomic structure is false? An isotope, X, of a particular element has an atomic number of 16 and a mass number of 34. Rhenium has two isotopes, 185 Re and 187 Re, with an … (75 protons, 110 neutrons) 7.) Rhenium is one of the rarest elements in the world. 75 protons, 75 neutrons b. b. B) 75 protons, 130 neutrons . Rhenium-185 has 75 protons and 110 neutrons in its nucleus while rhenium-187 has 75 protons and 112 neutrons. It resembles manganese in chemical properties. a. ... Rhenium and technetium based radiopharmaceuticals ... natural or enriched 185Re by neutrons (n) in the nuclear reactor [21]: 186Re has 90.64 hours half-life, and emits β particles of 1.07 Mev energy and γ particles of 137 Kev energy. Rhenium-185 (185Re) has in its nucleus: A) 75 protons, 75 neutrons . Tags: Question 14 . There are many unstable isotopes of Rhenium but Rhenium 185 is the only stable isotope. A good deal of the rhenium extracted is made into super-alloys to be used for parts in jet engines. If the most stable ion of the isotope forms the compound MgX 2, how many neutrons does X have? medicine has been recognized for many decades [3]. 3. D) 75 protons, 110 neutrons . Number of Neutrons in Rhenium : 110 or 112 depending on the isotope. What particles are in the nucleus of Rhenium-185? Rhenium-185 has in its nucleus how many protons and neutrons? 6. 189^(Re)75 where the 189 is superscripted and the 75 is subscripted. It has two isotopes with mass numbers of 185 and 187. III. a) 35 b) 45 c) 46 d) 70 e) 81 6. 21 protons and 19 neutrons. c. 130 protons, 75 neutrons. 20 protons and 20 neutrons II. C) 130 protons, 75 neutrons. Not surprisingly for a transition metal, rhenium is also a good catalyst. The element rhenium (Re) has two naturally occurring isotopes, 185Re and 187Re, with an average atomic mass of 186.207 amu. Rhenium-185 has in its nucleus. II. Calculate the number of atoms of rhenium - … Rhenium-185, atomic number 75, has 75 protons,110 neutrons and 75 electrons. Global: G2 . Which among the following represent a set of isotopes? The element rhenium (Re) exists as two stable isotopes and 18 unstable isotopes. 40 20 Ca 2+ has. Section: 2-3 . 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 element rhenium (Re) exists as two stable isotopes and 18 unstable isotopes. Mass numbers of typical isotopes of Rhenium are 185, 187. 22 neutrons and 18 protons IV. Rhenium is a chemical element with the symbol Re and atomic number 75. 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. 75 protons, 130 neutrons c. 130 protons, 75 neutrons d. 75 protons, 110 neutrons e. not enough information. Isotopes: Rhenium has 33 isotopes whose half-lives are known, with mass numbers from 160 to 192. 5. Diff: 1 . ... 185 Re 184.953 37.4 ... Well there are many of them. Name: Rhenium Symbol: Re Atomic Number: 75 Atomic Mass: 186.2 Number of Protons/Electrons: 75 Number of Neutrons: 111 Classification:Transition Metals Discovery: 1925 Discoverer: Walter Noddack Uses: filaments for mass spectrographs Rhenium Properties. Rhenium-189. Symbol # Protons # Neutrons # Electrons Net Charge 206Pb Commercially, rhenium is recovered as a by-product of copper refining. Rhenium-183. Complete the following table. An isotope, X, of a particular element has an atomic number of 16 and a mass number of 34. Sulfur with atomic number 16, mass number 32 and a two negative charge has how many protons, neutrons and electrons? Atomic nuclei containing I. Q. 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 Rhenium - Mass Number - Neutron Number - Re. Therefore: X has 18 neutrons per atom. Given the weighted average atomic mass of rhenium (186.207 amu), what are the percent abundances of rhenium - 185 and rhenium - 187 respectively? a. 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. Re-185 isotope is used for research in nuclear physics; Re-185 isotope is used for Rhenium-186 (Re-186 isotope, 186Re isotope) radionuclide (radioisotope) production (can be used in life science for healthcare and medical applications and pharmaceuticals industries); a. 6. What does Rhenium-185 have in its nucleus? Mass percent and moles 7. 4. How many neutrons does the isotope of lithium have? TRUE E) not enough information is given. Mass numbers of typical isotopes of Rhenium are 185, 187. The number of neutrons in an atom is the same for all neutral atoms of that element. 120 seconds . Perrhenic acid (HReO 4) and its anhydride, the heptoxide, and the perrhenates are common stable compounds in which rhenium is in the +7 state. The element rhenium (Re) exists as two stable isotopes and 18 unstable isotopes. Which among the following represents a set of isotopes? 21 protons and 19 neutrons III. Determining the number of neutrons in an atom is fairly simple and doesn’t even require any experimentation. SURVEY . 75 protons, 75 neutrons b. answer choices . Answer: D . 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. Neutron number plus atomic number equals atomic mass number: N+Z=A. 20 protons and 20 neutrons. The element rhenium (Re) exists as two stable isotopes and 18 unstable isotopes. If 37.1% of rhenium has mass# = 185, what is the other stable isotope? Source: Rhenium is not found free in nature but is found in small quantities in platinum and molybdenum ores and many minerals. 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how many neutrons in rhenium 185