Score .8944 Then figure out what the total cost of the trip would be.? The consent submitted will only be used for data processing originating from this website. Calculating Protons, Electrons, and Neutrons 1 Get a periodic table of elements. Tags: Question 12 . Mass Number = # of Protons + # of Neutrons The charge of electrons is 1.609 1019coulombs and the relative charge is 1. Number of protons in the atom of the given element = 29 (ii) The electronic configuration of the atom is The atomic mass or relative isotopic mass refers to the mass of a single particle, and therefore is tied to a certain specific isotope of an element. Isotopes of Selenium - Naturally occurring stable Isotopes: 74Se, 76Se, 77Se, 78Se, 80Se. Factoring in the number of unstable isotopes that have been observedcauses the total number of known elemental isotopes to increase substantially. Mass Number = # of Protons + # of Neutrons User: An atom has 35 protons, 35 neutrons, and 35 electrons. What are the properties of protons neutrons and electrons? 35Cl 35 17 17 17 18. 80Se is the most common isotope, having a natural abundance of approximately 49.8%. How many protons, neutrons and electrons does rutherfordium have? 1 proton and 2 electrons d. 3 protons and 3 electrons 5. An element that is not combined with any other different elements has an oxidation state of 0. What is the difference between the number of electrons in an atom of Selenium (Se) which has an atomic number of 34, and the number of electrons in an atom of Aluminum (Al) . The number of neutrons is given, but the number of protons must be determined from the atomic number for the element. A weighted average takes into account not only the mass numberof each isotope, but also how prevalent, or common, that isotope is in nature, relative to each of that element's other isotopes. { "2.01:_Matter" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "2.02:_Periodic_Table" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "2.03:_Atoms_and_Subatomic_Particles" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "2.04:_Neutrons:__Elemental_Isotopes_and_Mass_Number_Calculations" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "2.05:_The_Bohr_Model_-_Atoms_with_Orbits" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "2.06:_Quantum-Mechanical_Orbitals_and_Electron_Configurations" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "2.07:_Applications_of_Electron_Configurations_Valence_Electrons_and_Electron_Dot_Structures" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()" }, { "00:_Preface-_The_Chemical_World" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "01:_Measurement_and_Problem_Solving" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "02:_Atoms_and_Elements" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "03:_Molecules_and_Compounds" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "04:_Quantities_in_Chemical_Reactions" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "05:_Matter_and_Energy" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "06:_Gases" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "07:_Solutions" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "08:_Acids_and_Bases" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "09:_Nuclear_Chemistry" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "10XX:_Introduction_to_Organic_Chemistry" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()" }, 2.4: Neutrons: Isotopes and Mass Number Calculations, https://chem.libretexts.org/@app/auth/3/login?returnto=https%3A%2F%2Fchem.libretexts.org%2FCourses%2FHeartland_Community_College%2FCHEM_120%253A_Fundamentals_of_Chemistry%2F02%253A_Atoms_and_Elements%2F2.04%253A_Neutrons%253A__Elemental_Isotopes_and_Mass_Number_Calculations, \( \newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}}}\) \( \newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash{#1}}} \)\(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\) \(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\)\(\newcommand{\AA}{\unicode[.8,0]{x212B}}\), 2.5: Locating Electrons: Orbitals and Electron Configurations, status page at https://status.libretexts.org. Therefore, this particular atom of tungsten contains 112 neutrons. Atoms that have the same number of protons but different mass numbers are called isotopes of each other. Number of neutrons is 57 minus 26 or 31. 12C 12 6 6 6 6. Density is defined as the mass per unit volume. While a minimum amount of glue is required to adhere one object to another, a small amount of excess glue will not prevent those objects from sticking together, but a large excess of glue could prove to be problematic. Expert Answer 100% (5 ratings) ANSWER:- Number of neutrons = 45 Number of electrons = 36 Number of protons = 35 Number of neutrons can be calculated as:- Number of neutrons = Ato View the full answer Transcribed image text: Which ion has 45 neutrons, 36 electrons and 35 protons? The configuration of these electrons follows from the principles of quantum mechanics. The Crystal structure can be described in terms of its unit Cell. A neutral iron atom contains 26 protons and 30 neutrons plus 26 electrons in four different shells around the nucleus. Changing the number of neutrons present in an atom will,in turn, cause these individual atoms of hydrogen to have different calculated mass numbers. Each subatomic particle exists to serve a specific purpose. Density of Selenium Density of Selenium is 4.819g/cm3. A. a) 2 b) 6 c) 10 d) 14 Al 21) lons can be formed from atoms by losing or gaining electrons. Atoms are mostly empty spaces with the mass concentrated in a small nucleus containing positively charged protons and negatively charged electrons. You will get the detailed information about the periodic table which will convert a newbie into pro. The mass of the neutron is 1.674 1027kg. For stable elements, there is usually a variety of stable isotopes. Feel free to ask a question, leave feedback or take a look at one of our articles. The mass of a stable selenium-74 is about 74, selenium-76 is about 76, selenium-77 is about 77 selenium-78 is about 78 and selenium-80 is about 80. Accessibility StatementFor more information contact us atinfo@libretexts.orgor check out our status page at https://status.libretexts.org. This selenium ion(Se2) has thirty-four protons, forty-five neutrons, and thirty-six electrons. The number of neutrons in an atom can be determined by the difference between the atomic mass and the number of protons. The elements in the periodic table are arranged according to their atomic number. This number is equal to the serial number of the periodic table. It should be noted that all of these decay pathways may be accompanied bythe subsequent emission ofgamma radiation. It is located in group 16 and period 4 in the modern periodic table. The ordering of the electrons in the ground state of multielectron atoms, starts with the lowest energy state (ground state) and moves progressively from there up the energy scale until each of the atoms electrons has been assigned a unique set of quantum numbers. Selenium (Se) has an atomic number of 34 which means in a balance atom Se will have 34 protons and 34 electrons then. Unstable isotopesdecay through various radioactive decay pathways, most commonly alpha decay, beta decay, or electron capture. # e- = # p = 35 # n = mass number - # p = 79 - 35 = 44 The Number of Neutrons in Ions The number of neutrons is always going to be linked to the number of protons and the atomic mass. View history Selenium ( 34 Se) has six natural isotopes that occur in significant quantities, along with the trace isotope 79 Se, which occurs in minute quantities in uranium ores. 2). The properties of the elements and their compounds depend on theelectron configuration. Seleniumis a chemical element with atomic number34 which means there are 34 protons in its nucleus. The information contained in this website is for general information purposes only. Often, the resulting number contains a decimal. The properties of an element can be determined by electron configuration. The electronic configuration of Selenium is 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p4. Therefore, a selenium atom has forty-five neutrons. Take the difference of the mass number and the atomic number to get the number of neutrons. 47 protons, 60 neutrons, and 46 electrons \ c. 50 protons, 68 neutrons , and 46 electrons \ d. 1S protons, 16 neutrons, and 1S electrons \ e. 82 protons, 126 neutrons, and 82 electrons \ f. 34 protons, 46 . 52. How to easily find the number of electrons, protons and neutrons in a selenium atom? One of the topics of my research is the periodic table. Selenium is a Other Nonmetal element. 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