( ) spin value - Indicates spin with weak assignment arguments. Rhenium is 62.60% 187Re, and the atomic mass of 187Re is 186.956 amu. The (n,n{sup '}) cross section of {sup 187}Os at 30 keV neutron energy, Ratio of neutron capture cross sections for /sup 186/Os and /sup 187/Os at 25 keV neutron energy. Answer (1 of 3): Atomic number = proton count Atomic mass = proton count + neutron count Neutron count = atomic mass - proton count Your proton count, the atomic number, is 11. Rhenium is not very reactive metal. Well, that'd be 234 minus 91. A radioactive isotope is one that breaks apart and gives off some form of radiation. Comprehensive data on the chemical element Rhenium is provided on this page; including scores of properties, element names in many languages, most known nuclides of Rhenium. am i 6. Rhenium has 75 protons, 75 electrons and 111 neutrons.The number of protons is equal to the number of electrons.Neutrons can be calculated by subtracting the number of protons from the atomic . An atom of rubidium has 37 protons and 48 neutrons. There are _____ neutrons in the stable isotope of rhenium (Re-185). How many protons and electrons does technetium? Rhenium is a chemical element with atomic number 75 which means there are 75 protons in its nucleus.Total number of protons in the nucleus is called the atomic number of the atom and is given the symbol Z.The total electrical charge of the nucleus is therefore +Ze, where e (elementary charge) equals to 1,602 x 10-19 coulombs. BIRTHPLACE Rhenium was first isolated commercially from ores found near the Rhine River. The element rhenium (Re) has two naturally occurring isotopes, 185Re and 187Re, with an average atomic mass of 186.207 amu. 20 protons and 20 neutrons. It exists in many oxidation states in compounds, and +2, +4, +6 and +7 are the most common [4]. Rhenium-185 (185Re) has in its nucleus: 75 protons, 110 neutrons 130 protons, 75 neutrons 75 protons, 130 neutrons 75 protons, 75 neutrons Its chemical properties will be exactly like those of U-235 6. The element rhenium (Re) has two naturally occurring isotopes, 185Re and 187Re, with an average atomic mass of 186.207 amu. . bessemer 18.Astatine belongs to which element group: Nitrogen, halogen, noble gas? 5. The average atomic mass rhenium, Re, is 186.21 amu. Researchers have linked this observation to the location of the dripline for carbon, nitrogen, and oxygen, all of which have 16 neutrons in their heaviest bound isotopes [ 4 ]. a magnesium atom with 12 protons and 12 neutrons. n=5. bessemer 17.Which element has an atomic mass of 106.42? a. γα d. ray b. β e. X-ray c. positron 35. The mass number of an element tells us the number of protons AND neutrons in an atom (the two particles that have a measurable mass). Rhenium-188 is a radioisotope for treatment of cancer. im lost.. Two radioactive isotopes, rhenium-186 and rhenium-188, are used to treat some liver . The mass of an atom relative to that of carbon-12. Born, by definition, has 5 protons. Osmium (76 Os) has seven naturally occurring isotopes, five of which are stable: 187 Os, 188 Os, 189 Os, 190 Os, and (most abundant) 192 Os. Each variation is an isotope. There are two naturally occurring isotopes of boron, boron-10 with 5 neutrons and and boron-11 with 6 neutrons. Sulfur with atomic number 16, mass number 32 and a two negative charge has how many protons, neutrons and electrons? Total number of protons in the nucleus is called the atomic number of the atom and is given the symbol Z.The total electrical charge of the nucleus is therefore +Ze, where e (elementary charge) equals to 1,602 x 10-19 coulombs. 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? b.75 protons, 130 neutrons. Rhenium is mixed with tungsten or platinum to make filaments for mass spectrographs. The mass of an alpha particle is 7300 times that of the electron. Moreover two horizontal squares like the -HSQ and +HSQ exist . 75. Type your answer Next 3 1 point An ion contains 39 protons, 49 neutrons, and 36 electrons. It is obtained as a by-product of molybdenum refinement. The element rhenium (Re) does exist as two stable isotopes and 18 unstable isotopes. Rhenium-187 is radioactive. A value . So 234 minus 91 gives us 143 neutrons. C) 130 protons, 75 neutrons. Remember that the atomic number is the same as the number of protons, which you have already identified. It is a silvery-gray, heavy, third-row transition metal in group 7 of the periodic table.With an estimated average concentration of 1 part per billion (ppb), rhenium is one of the rarest elements in the Earth's crust.Rhenium has the third-highest melting point and highest boiling point of any stable element at 5869 K . (Rhenium-185 is a stable isotope.) Rhenium is element 75 in the periodic table and in many ways a rather unusual element. How many neutrons are in one atom of strontium? If you do all of the multiplication then you end up with a final answer being 186.9, and the closest answer for the answer choices would only be. Course Navigator Both Rhenium isotopes are used for medical purposes. 110. Calculate the number of atoms of rhenium - 187 in a 5.61 gram sample. Rhenium. Since sodium has 11 protons, the number of neutrons must be 23 - 11 = 12 neutrons. Among elements with a known stable isotope, only indium and tellurium similarly occur with a stable isotope in lower abundance than the long-lived radioactive isotope.. Rhenium-185 has in its nucleus how many protons and neutrons? 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. Tantalum Bohr Diagram. The radioactive particles, alpha, beta and gamma ray, are called ionizing radiation because, as they pass through an object, they: . For each of the isotopes of lead, how many protons, neutrons, and electrons are in each? The nucleus consists of 75 protons (red) and 111 neutrons (orange). Calculate the mass of 185Re. 22. Some salts of rhenium have commercial importance, such as sodium perrhenates and ammonium perrhenates. (Rhenium-185 is a stable isotope.) What will be the charge on the ion that forms? B) 75 protons, 130 neutrons. O 8 16. 47 47 protons. Carbon, iron, and rhenium slabs were subjected to beams of slightly degraded fission neutrons. This is approximately the sum of the number of protons and neutrons in the nucleus. It is also one of the densest elements, following only platinum, iridium and osmium and it is one of the highest melting point elements exceeded only by . bessemer Source: Rhenium is not found free in nature but is found in small quantities in platinum and molybdenum ores and many minerals. In 1928, Noddack and Berg were able to extract 1 gram of rhenium from 660 kilograms of molybdenite. One atomic mass unit is equal to 1.66 x 10-24 grams. An analysis of the pulse-height spectra for the intersctions within the slabs indicated a common peak at 0.51 Mev. Question 8. Explanation: Advertisement Advertisement bobrossy10 bobrossy10 Answer: I believe Rhenium has 111 neutrons in the atoms isotopes. 5 You learned that an atom's "atomic number (Z)" is the number of protons it contains. Rhenium is a silvery-white metallic transition element. 108 = 47+ N 108 = 47 + N. Rewrite the equation as 47+N = 108 47 + N = 108. mass number = number of protons + number of neutrons Isotopes Atoms of the same element with different numbers of neutrons. Li 3 7. an oxygen atom with 8 protons and 8 neutrons. Rhenium is a silvery-white, heavy, third-row transition metal in group 7 of the periodic table. Rhenium-188 has more protons and fewer neutrons than tungsten-188. Explanation: Protons, neutrons, and electrons are the three main subatomic particles found in an atom. II. Beside this, how many neutrons are in each element? Discovering of protons and neutrons . For our boron example, 11 (atomic mass) - 5 (atomic number) = 6 neutrons. SURVEY. Answer (1 of 4): Elements are defined by the number of protons they have. Po At Rn caesium barium hafnium tantalum tungsten rhenium osmium iridium platinum gold mercury thallium lead bismuth polonium astatine radon 132.9 137.3 178.5 180.9 183.8 186.2 190.2 192.2 195.1 197.0 200.6 204.4 207.2 209.0 . It is one of the rarest elements on the Earth with an abundance of something like 1 part per million. Element Rhenium - Re. Rhenium-185 has in its nucleus how many protons and neutrons? CAS number 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 25 C. 42 D. 47 E. none of these 2 A tellurium atom has a mass of 128 and a . Gold is a chemical element with atomic number 79 which means there are 79 protons and 79 electrons in the atomic . D) 75 protons, 110 neutrons. Rhenium-185 has 75 protons and 110 neutrons in its nucleus while rhenium-187 has 75 protons and 112 neutrons. On the right, we have 91 protons, how many neutrons do we have? Electron shells: 2,8,18,32,13,2. Q. The element Na has 11 protons, 11 electrons, and 12 neutrons for a total of 34 subatomic particles. K 19 39. Next 2010 2 1 point A sample of rhenium (molar mass = 186.21 g/mol) contains 6.00 x 1021 atoms. the atomic number of RE is 75. the atomic mass of one of its isotopes is 186. how many neutrons are in an atom of this isotopes 2 See answers Advertisement Advertisement sweetsprinkles1 sweetsprinkles1 Answer: 111. 75 electrons (white) successively occupy available electron shells (rings). There are 33 other unstable isotopes recognized, the longest-lived of . For example, experiments have shown that 16 is a "magic" number for neutrons (N) in very neutron-rich nuclei, meaning that isotopes with N = 1 6 are unusually stable . Rhenium-molybdenum alloys are superconducting. The isotopic symbol can be written: O 88Rb3+ O 88y3- 49y3+ 88y3+ Periodic Table of Elements - The periodic table is the tabular arrangement of all the chemical elements on the basis of their respective atomic numbers. Neutrons in most abundant isotope: 112. History and Uses: Rhenium was discovered by the German chemists Ida Tacke-Noddack, Walter Noddack and Otto Carl Berg in 1925. Two radioactive isotopes, rhenium-186 and rhenium-188, are used to treat some liver . The number of protons determines the element, but the number of neutrons in the atom of any one element can vary. Diagram of the nuclear composition, electron configuration, chemical data, and valence orbitals of an atom of rhenium-186 (atomic number: 75), an isotope of this element. 2 of them are natural ones, 1 of which is stable. When considering the number of neutrons in an isotope of a particular atom, it is useful to learn a new term called "mass number." The _____ _____ of an atom is defined as the number of protons plus the number of neutrons. Proton & Neutron: Both protons and neutrons are subatomic particles that reside in the nucleus of an atom. It likes to remain neutral rather than a cation or an anion. In the periodic table, the vertical columns are called groups and the horizontal rows are called periods. 14.How many neutrons are in an atom of argon? The half life of rhenium-187 is about 100,000,000 years. Number of Neutrons: 57 Classification: Transition Metal Crystal Structure: Hexagonal Density @ 293 K: 12.2 g/cm 3 Color: silvery Atomic Structure : Number of Energy Levels: 5 First Energy Level: 2 Second Energy Level: 8 Third Energy Level: 18 Fourth Energy Level: 15 Fifth Energy Level: 1 Isotopes. 111 Name Rhenium Atomic Mass 186.207 atomic mass unit Number of Protons 75 Number of Neutrons 111 Number of Electrons 75. 47+N = 108 47 + N = 108. Electron Shell Configuration (An electron shell is the grouping of electrons surrounding the nucleus of an atom). Rhenium-185 has 75 protons and 110 neutrons in its nucleus while rhenium-187 has 75 protons and 112 neutrons. If 37.1% of rhenium has mass# = 185, what is the other stable isotope? Tungsten has 74 protons, 110 neutrons and 74 electrons: 75: Rhenium has 75 protons, 111 neutrons and 75 electrons: 76: Osmium has 76 protons, 114 neutrons and 76 electrons: 77: Iridium has 77 protons, 115 neutrons and 77 electrons: 78: Platinum has 78 protons, 117 neutrons and 78 electrons: 79: Gold has 79 protons, 118 neutrons and 79 electrons: 80 Born, by definition, has 5 protons. Rhenium is a chemical element with atomic number 75 which means there are 75 protons and 75 electrons in the atomic structure. Rhenium is unreactive with water at standard conditions. How many protons electrons and neutrons are in carbon? a potassium atom with 19 protons and 20 neutrons. The atom loses one electron. One isotope of copper is written as copper-63. There are two naturally occurring isotopes of boron, boron-10 with 5 neutrons and and boron-11 with 6 neutrons. If the atom is neutral, uncharged, it will have 5 electrons. Explanation: Advertisement Advertisement bobrossy10 bobrossy10 Answer: I believe Rhenium has 111 neutrons in the atoms isotopes. Give your answer to 3 significant figures. How many α particles are . Rhenium-188 is a radioisotope for treatment of cancer. Tantalum has about 103 neutrons and has 73 protons and electrons. Given the weighted average atomic mass of rhenium (186.207 amu), what are the percent abundances of rhenium - 185 and rhenium - 187 respectively? This occurs because the nucleus has to many neutrons. Correct answer: Why my answer is incorrect: Because I guessed and didn't do the math. To find the number of neutrons, you will need to subtract the atomic number from the atomic mass. The chemical symbol for Rhenium is Re. 3. 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. Protons and Neutrons in Rhenium. It is obtained as a by-product of molybdenum refinement. What is the half life of rhenium Re 186? How was rhenium discovered? Today, rhenium . If the atom is neutral, uncharged, it will have 5 electrons. Commercially, rhenium is recovered as a by-product of copper refining. am i supposed to multiply the atomic masses and the percents or something? See full answer below. Naturally occurring rhenium (75 Re) is 37.4% 185 Re, which is stable, and 62.6% 187 Re, which is unstable but has a very long half-life (4.12×10 10 years). B. Bromide exists naturally as a mixture of bromide-79 and bromide-81 isotopes.An atom of bromide-79 contains how many protons,neutrons, and electrons? Rhenium has two naturally occurring isotopes: Re-185 with a natural abundance of $37.40 \%$ and Re-187 with a natural abundance of $62.60 \% .$ The sum of the masses of the two isotopes is 371.9087 amu. This gives us the following: Neutron count = 23 - 11 Neutron count = 12 The element is determined . answer choices. Write formulas for the sulfide ion, ammonium chloride, acetic acid, and barium oxide. 2 amu. An isotope has three forms. Atoms of the same element can have a different number . Meghan Markle Joe Giuliano Married, Alkali Metals 185 Re 187 Re. bessemer 16.What is the name of the element with the symbol W? Isotopes: Rhenium has 33 isotopes whose half-lives are known, with mass numbers from 160 to 192. . a lithium atom with 3 protons and 4 neutrons. Which among the following represent a set of isotopes? 30% have a mass of 4 amu, 20% have a mass of 5 amu and 50% have a mass of 3 amu. The nucleus consists of 43 protons (red) and 55 neutrons (blue). 43 electrons (green) bind to the nucleus, successively occupying available electron shells (rings). There are many unstable isotopes of Rhenium but Rhenium 185 is the only stable isotope. Rhenium is 62.60% 187Re, and the atomic mass of 187Re is 186.956 amu. That's 144 neutrons. 6. 50. 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 . Answer. Fill in the known values where N N represents the number of neutrons. Rhenium(Re) is made up of 37.4% 185Re and 62.6% 187Re. Rhenium is mixed with tungsten or platinum to make filaments for mass spectrographs. . Rhenium-185 has in its nucleus A) 75 protons, 75 neutrons. How many neutrons are in rhenium? Atomic nuclei containing I. For instance, it can be determined experimentally that neon consists of three isotopes: neon-20 (with 10 protons and 10 neutrons in its nucleus) with a mass of 19.992 amu and an abundance of 90.48%, neon-21 (with 10 protons and 11 neutrons) with a mass of 20.994 amu and an abundance of 0.27%, and neon-22 (with 10 protons and 12 neutrons) with a . How many energy levels are there in iodine? Rhenium-185 (185Re) has in its nucleus: 75 protons, 110 neutrons. There is a fine wire inside the bulb, which could be made of several different metals, but was usually zirconium metal. TRUE Rhenium is used in powder form. Re-185 is used for the production of Re-186 which is used for bone pain palliation. 2 of them are natural ones, 1 of which is stable. Give complete symbols of each atom, including the atomic number and the mass number. Rhenium (Re). The atomic mass of 187Re is 186.956 amu. Rhenium has 35 isotopes. Rev., C 4: No. Neutrons=84 Therefore,the number of neutrons in neodymium . FALSE. So we lost a neutron, and we gained a proton. Atomic Number - Protons, Electrons and Neutrons in Rhenium. Iodine. Rhenium is a silvery-white metallic transition element. bessemer 15.Which of the following is not a nonmetal: sulfur, oxygen, silicon, nitrogen? The number of neutrons isn't listed on the periodic table, but you can use the information on the table. Technetium is a transition metal in group 7, period 5, and the d-block of the periodic table. Common chemical compounds are also provided for many elements. Rhenium is a chemical element with the symbol Re and atomic number 75. The other natural isotopes, 184 Os, and 186 Os, have extremely long half-life (3×10 13 years and 2×10 15 years, respectively) and for practical purposes can be considered to be stable as well. III. 4. The core of rhenium, the Re-150, with 75 protons and 75 neutrons (odd number) breaks the high symmetry giving only one stable isotope. The atomic mass of rhenium is 186.2. How many neutrons protons and electrons does rhenium have? +1. Diff: 1 Section: 2-3 18) The element rhenium (Re) exists as two stable isotopes and 18 unstable isotopes. Average atomic mass will be closest to. 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 The chemical symbol for Rhenium is Re. What is the mass of this sample in grams? Advertisement. Since an element always has a different number of protons, the mass can indicate how many neutrons are in an isotope. the atomic number of RE is 75. the atomic mass of one of its isotopes is 186. how many neutrons are in an atom of this isotopes 2 See answers Advertisement Advertisement sweetsprinkles1 sweetsprinkles1 Answer: 111. please. Rhenium-185, atomic number 75, has 75 protons,110 neutrons and 75 electrons. Determining the number of neutrons in an atom is fairly simple and doesn't even require any experimentation. What isotope has 53 protons? it has 6 protons and 6 neutrons b. it has 12 protons and 12 neutrons c. it has 12 protons and 8 neutrons . Rhenium has 75 protons, 75 electrons and 111 neutrons.The number of protons is equal to the number of electrons.Neutrons can be calculated by subtracting the number of protons from the atomic . Rhenium is a chemical element with atomic number 75 which means there are 75 protons in its nucleus. Isotope: Half Life: Ru-96: Stable: Ru-97: 2.89 . Sodium has a mass number of 23amu. The mass is 23. You will need to obtain a periodic table. 21 protons and 19 neutrons. Rhenium is element 75 in the periodic table and in many ways a rather unusual element. 8 neutrons, and 8 electrons. Rhenium-molybdenum alloys are superconducting. Rhenium-185 (185 Re) has in its nucleus: A) 75 protons, 75 neutrons B) 75 protons, 130 neutrons C) 130 protons, 75 neutrons D) 75 protons, 110 neutrons Answer: D Diff: 1 . This variation is typically small for solids and liquids but much greater for gases. Answer (1 of 4): Elements are defined by the number of protons they have. Due to it being unstable, this isotope will spontaneously change into a different element and emit radiation.Radiation Emitted from Rhenium 186Rhenium 186 emits beta minus radiation. How many neutrons does neodymium have. So we went from 144 neutrons on the left to 143 neutrons on the right, and we went from 90 protons on the left, to 91 protons on the right. Where more than one isotope exists, the value given is the abundance weighted average. In general since the additional p75n75 is a vertical system with S =0, the structure of Re-150 has S =0 with six horizontal planes of opposite spins . How many neutrons are in a neutral atom of Ar-40? Available rhenium properties… Both Rhenium isotopes are used for medical purposes. 39 protons and 39 electrons. Visit BYJU'S to learn Symbols, Atomic Number, Atomic Mass, Groups, Videos with FAQs of Periodic Table Elements. C'est un composé qui a la même structure que le sulfure d'hydrogène H2S. Calculate the mass of 185Re. E) not enough information is given. 35 protons,44 neutrons, 35 electrons. Number of Energy Levels: 5; First Energy Level: 2: Second Energy Level: 8: Third Energy Level: 18: Fourth Energy Level: 18: What is the highest energy level for iodine? Rhenium has 35 isotopes. Q. Francium is an alkali metal, that has one valence electron. It is the total number of protons and neutrons in the atom. 120 seconds. The atomic mass of 185Re is 184.953 amu. The element rhenium (Re) exists as two stable isotopes and 18 unstable isotopes. a. α d. γray Move all terms not containing N N to the right side of the equation. 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