Thechemical symbolfor Neptunium isNp. Thechemical symbolfor Technetium isTc. Experiments by various scientists have shown that the nucleus of an atom contains protons and neutrons. Where are the electrons, protons and neutrons located in an atom? Germanium is a lustrous, hard, grayish-white metalloid in the carbon group, chemically similar to its group neighbors tin and silicon. The ionic properties of the elements depend on the exchange of electrons. 50 protons, 50 electrons, 75 neutrons c. 120 neutrons, 50 protons, 75 electrons ____ 14. Einsteinium is the seventh transuranic element, and an actinide. Therefore, atomic mass refers to the total mass of protons and neutrons. Technetiumis a chemical element withatomic number43which means there are 43 protons and 43 electrons in the atomic structure. The number of electrons and protons in an atom is the same but the number of neutrons is different. Mass numbers of typical isotopes ofAluminiumare27. How many protons, neutrons and electrons does phosphorus have? One is the nucleus and the other is the orbit. Thechemical symbolfor Radium isRa. In nuclear industry cadmium is commonly used as a thermal neutron absorber due to very high neutron absorption cross-section of 113Cd. Pure germanium is a semiconductor with an appearance similar to elemental silicon. An atomic number is a number that carries the properties of an element. How many protons are in an ion with 10 electrons and a -1 charge? How many electrons does uranium-235 have? Thechemical symbolfor Ruthenium isRu. Samarium is a typical member of the lanthanide series, it is a moderately hard silvery metal that readily oxidizes in air. How many protons, neutrons, and electrons are in aluminum? Telluriumis a chemical element withatomic number52which means there are 52 protons and 52 electrons in the atomic structure. Thechemical symbolfor Potassium isK. Potassium was first isolated from potash, the ashes of plants, from which its name derives. Zirconium is widely used as a cladding for nuclear reactor fuels. Lawrencium is the final member of the actinide series. Copperis a chemical element withatomic number29which means there are 29 protons and 29 electrons in the atomic structure. 1 pt. Therefore, the valence electrons of vanadium are five. WebFlexBook Platform, FlexBook, FlexLet and FlexCard are registered trademarks of CK-12 Foundation. The properties of an element can be determined by electron configuration. Lutetium is a silvery white metal, which resists corrosion in dry air, but not in moist air. An aluminum ion has 13 protons, 14 neutrons, and 10 electrons. Rhodium is a rare, silvery-white, hard, corrosion resistant and chemically inert transition metal. This vanadium ion(V2+) has twenty-three protons, twenty-eight neutrons, and twenty-one electrons. Arsenic occurs in many minerals, usually in combination with sulfur and metals, but also as a pure elemental crystal. Thechemical symbolfor Praseodymium isPr. The neutron is a charge-neutral particle and it is expressed by n. The charge of a neutron is zero and the relative charge is also zero. 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. Francium is the second-least electronegative element, behind only caesium, and is the second rarest naturally occurring element (after astatine). Thechemical symbolfor Boron isB. Platinum is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Finding the Number of Electrons The number of electrons in an atom is equal to the atomic number of an element, for neutrally charged species. Because the sum of the How many protons, neutrons and electrons does cadmium have? Therefore, the mass of the nucleus is called atomic mass. Vanadiumis a chemical element withatomic number23which means there are 23 protons and 23 electrons in the atomic structure. How many protons are in an ion with 54 electrons and a -1 charge? Molybdenum a silvery metal with a gray cast, has the sixth-highest melting point of any element. Neodymium is a soft silvery metal that tarnishes in air. How many protons are there in the nucleus of an oxygen atom? However, it has been possible to detect atoms by increasing the vision of a very powerful electron microscope by two million times. * If an atom has an abnormal number of electrons or neutrons, it may have different chemical and physical properties than the typical form of the element. We know that aluminum atoms have a total of thirteen electrons. The electron configuration of the aluminum shows that there are two electrons in the K shell, eight in the L shell, and three in the M shell (orbit). That is, the first shell of aluminum has two electrons, the second shell has eight electrons and the 3rd shell has three electrons. Group 1, because all of the elements in it have so few valence electrons. Caesium has physical and chemical properties similar to those of rubidium and potassium. Such as 40V, 41V, 42V, 43V, 44V, 45V, 46V, 47V, 48V, 49V, 50V, 51V, 52V, 53V, 54V, 55V, 56V, 57V, 58V, 59V, 60V, 61V, 62V, 63V, 64V and 65V. The chemical properties of this silvery gray, crystalline transition metal are intermediate between rhenium and manganese. How many protons does the isotope uranium-238 have? How to easily find the number of electrons, protons and neutrons in a zinc atom? Discoverer: Scientists at Dubna, Russia (1964)/Albert Ghiorso et. It must be noted, especially nuclear cross-sections may vary by many orders from nuclide with the neutron number N to nuclide with the neutron number N+1. Chemically, indium is similar to gallium and thallium. Cadmiumis a chemical element withatomic number48which means there are 48 protons and 48 electrons in the atomic structure. It is the heaviest element that can be formed by neutron bombardment of lighter elements, and hence the last element that can be prepared in macroscopic quantities. One is the nucleus and the other is the orbit. 50 protons, 50 electrons, 75 neutrons c. 120 neutrons, 50 protons, 75 electrons ____ 14. Bromine is the third-lightest halogen, and is a fuming red-brown liquid at room temperature that evaporates readily to form a similarly coloured gas. The atom is overall charge neutral. It is a soft, silvery-white alkali metal. How many protons and neutrons are in mendelevium? Our Website follows all legal requirements to protect your privacy. Multiple-choice. This article discussed in detail how to easily find the number of protons, neutrons, and electrons in a vanadium atom. Q. WebAluminum has 13 protons, 13 electrons, and 14 neutrons. Calciumis a chemical element withatomic number20which means there are 20 protons and 20 electrons in the atomic structure. We already know that the nucleus is at the center of the atom. How many protons neutrons and Thallium is a soft gray post-transition metal is not found free in nature. Dysprosium is used for its high thermal neutron absorption cross-section in making control rods in nuclear reactors, for its high magnetic susceptibility in data storage applications. Its monatomic form (H) is the most abundant chemical substance in the Universe, constituting roughly 75% of all baryonic mass. Therefore, the mass of the nucleus is called atomic mass. Thechemical symbolfor Niobium isNb. Ytterbiumis a chemical element withatomic number70which means there are 70 protons and 70 electrons in the atomic structure. That is, neutron number (n) = atomic mass number (A) atomic number (Z). 36. For example, the neutron number of uranium-238 is 238-92=146. Atomic number (Z) = Number of charges in the nucleus (p). The atomic number of an element is equal to the number of protons and electrons in that element. How many electrons does it have? How many protons and neutrons are in Cl 37? Of the 26 radioisotopes of vanadium, the longest-lived radioisotope is 50V with a half-life of 1.5 1017 years. How many protons are in an atom of hassium? The metal is found in the Earths crust in the pure, free elemental form (native silver), as an alloy with gold and other metals, and in minerals such as argentite and chlorargyrite. Potassiumis a chemical element withatomic number19which means there are 19 protons and 19 electrons in the atomic structure. Thechemical symbolfor Neon isNe. Step 4: Subpart d) I used to enjoy chemistry from school life. Gadoliniumis a chemical element withatomic number64which means there are 64 protons and 64 electrons in the atomic structure. The properties of an element can be determined by electron configuration. This gives the Our experts can answer your tough homework and study questions. Thechemical symbolfor Antimony isSb. Thechemical symbolfor Gadolinium isGd. Argon is mostly used as an inert shielding gas in welding and other high-temperature industrial processes where ordinarily unreactive substances become reactive; for example, an argon atmosphere is used in graphite electric furnaces to prevent the graphite from burning. Sodiumis a chemical element withatomic number11which means there are 11 protons and 11 electrons in the atomic structure. Group 2, because all the Elemental rubidium is highly reactive, with properties similar to those of other alkali metals, including rapid oxidation in air. Berkeliumis a chemical element withatomic number97which means there are 97 protons and 97 electrons in the atomic structure. These have similar chemical properties, but palladium has the lowest melting point and is the least dense of them. Fermium is a member of the actinide series. In nuclear industry, especially natural and artificial samarium 149 has an important impact on the operation of a nuclear reactor. Here, the electron configuration of this vanadium ion(V3+) is 1s2 2s2 2p6 3s2 3p6 3d2. WebIt contains 6 protons, 6 electrons, and 6 neutrons. WebNeutrons can be figured from the mass number of an element. Thechemical symbolfor Ytterbium isYb. Plutonium is an actinide metal of silvery-gray appearance that tarnishes when exposed to air, and forms a dull coating when oxidized. How many neutrons does europium 151 have? Arsenic is a metalloid. See also:Atomic Mass Number Does it conserve in a nuclear reaction? Atoms that have the same number of protons but different mass numbers are called isotopes of each other. Mendeleviumis a chemical element withatomic number101which means there are 101 protons and 101 electrons in the atomic structure. Antimonyis a chemical element withatomic number51which means there are 51 protons and 51 electrons in the atomic structure. Palladiumis a chemical element withatomic number46which means there are 46 protons and 46 electrons in the atomic structure. WebElectrons, protons, and neutrons are located in the atom as permanent particles. Chemically, sulfur reacts with all elements except for gold, platinum, iridium, tellurium, and the noble gases. 1) What is the most abundant isotope of sodium? Aluminum-27 is the only stable isotope of this metal, and it has Aluminum has 13 protons, 14 neutrons and 13 electrons. Rhenium is a silvery-white, heavy, third-row transition metal in group 7 of the periodic table. Tungstenis a chemical element withatomic number74which means there are 74 protons and 74 electrons in the atomic structure. Curiumis a chemical element withatomic number96which means there are 96 protons and 96 electrons in the atomic structure. What is the charge of the aluminum - Brainly.com 02/10/2021 Chemistry High School answered expert verified An aluminum ion has 13 protons, 14 neutrons, and 10 electrons. Atoms can usually be divided into two parts. Thechemical symbolfor Silicon isSi. Scientist Chadwick discovered neutrons in 1932. How many protons, neutrons and electrons does bismuth have? The number of neutrons is determined by subtracting the number of protons in the element from the elements mass number. The number of protons in an isotope atom does not change but the number of neutrons does. is a rare earth element with a metallic silver luster. Promethium is one of only two such elements that are followed in the periodic table by elements with stable forms. It is an extremely reactive element and a strong oxidising agent: among the elements, it has the highest electron affinity and the third-highest electronegativity, behind only oxygen and fluorine. It is even less abundant than the so-called rare earths. Carbon is one of the few elements known since antiquity. Um, it's all iced toast story of 90 protons because we have 142 neutrons plus the 90 protons. Actiniumis a chemical element withatomic number89which means there are 89 protons and 89 electrons in the atomic structure. Group 17, because it has 17 valence electrons in each element. In an atomic ion only the number of electrons changes but the number of protons and neutrons does not change. To determine this, look first at the atomic number for aluminum, which is 13. 5 pts. Thulium is the thirteenth and third-last element in the lanthanide series. Thechemical symbolfor Curium isCm. Thechemical symbolfor Calcium isCa. The number of electrons and protons in an atom is the same but the number of neutrons is different. Theseextra neutronsare necessary for stability of the heavier nuclei. Thechemical symbolfor Nobelium isNo. Thechemical symbolfor Cobalt isCo. Cobalt is found in the Earths crust only in chemically combined form, save for small deposits found in alloys of natural meteoric iron. Its abundance in rocky planets like Earth is due to its abundant production by fusion in high-mass stars. That is, the mass of a proton is approximately 1837 times greater than the mass of an electron. How many protons, neutrons, and electrons does silicon have? Based on the atomic number, mass number, and neutron number of the element, three things can be considered. We already know that the atomic number of vanadium is 23. Aluminum-27 is the only stable isotope of this metal, and it has 14 neutrons, 13 protons and has 13 electrons in the neutral atom. The smallest of the permanent core particles of an atom is the electron. The last electron of vanadium enters the d-orbital. 22K views 2 years ago In this video well use the Periodic table and a few simple rules to find the number of protons and electrons for the Aluminum ion (Al 3+). How many protons and neutrons are in magnesium? What are the properties of protons neutrons and electrons? The unit of measure for mass is theatomic mass unit (amu). How many protons are there in the C-13 isotope? Very soft and malleable, indium has a melting point higher than sodium and gallium, but lower than lithium and tin. We must also remember that the number of protons and electrons in an element is equal. One is the nucleus and the other is the orbit. Goldis a chemical element withatomic number79which means there are 79 protons and 79 electrons in the atomic structure. Lead is soft and malleable, and has a relatively low melting point. #1 Aluminum Protons #2 Aluminum Neutrons #3 Aluminum Electrons #1 Aluminum Protons Bai et al. Mg has 12p+, 12e-, and a mass number of 24. Samariumis a chemical element withatomic number62which means there are 62 protons and 62 electrons in the atomic structure. WebPhysical reality is based on electrons, protons, and neutrons, while virtual reality is based only on electrons. All other trademarks and copyrights are the property of their respective owners. Thechemical symbolfor Plutonium isPu. Tellurium is chemically related to selenium and sulfur. Why do people say that forever is not altogether real in love and relationship. E. Discoverer: De Marignac, Charles Galissard, Discoverer: De Marignac, Jean Charles Galissard, Discoverer: Ghring, Otto and Fajans, Kasimir. Gold is a transition metal and a group 11 element. Thechemical symbolfor Sodium isNa. Therefore, a zinc atom contains thirty protons. Thechemical symbolfor Arsenic isAs. 2Al(s) + 3H2SO4(aq) Al2(SO4)3(aq) + 3H2(g) a. It is a lanthanide, a rare earth element, originally found in the gadolinite mine in Ytterby in Sweden. Beryllium is a hard, grayish metal naturally found in mineral rocks, coal, soil, and volcanic dust. Dysprosiumis a chemical element withatomic number66which means there are 66 protons and 66 electrons in the atomic structure. That is, the atomic number is the total number of protons. Atomic mass (A) = Nucleus mass = Total mass of protons and neutrons (p + n), Again, the mass of each proton and neutron is about 1amu. Its mass is about 1/1836 of the mass of a hydrogen atom. Platinumis a chemical element withatomic number78which means there are 78 protons and 78 electrons in the atomic structure. Edit Report an issue 30 seconds. And to arrange the electrons, you must know the number of electrons in that element. Therefore, a zinc atom contains thirty electrons in its orbit. 2019 periodic-table.org / see alsowww.nuclear-power.net. Siliconis a chemical element withatomic number14which means there are 14 protons and 14 electrons in the atomic structure. The aluminum atom has 13 electrons and protons and also 14 neutrons. Structure of Carbon atom: The electrons are distributed into two shells and the outermost shell (valence shell) has four electrons. Its actual charge is +1.602 1019coulombs. The properties of the elements and their compounds depend on theelectron configuration. How many neutrons are in an atom of cobalt-60? The results of his experiments show that each element has a unique integer equal to the number of positive charges in the nucleus of that element. Thechemical symbolfor Beryllium isBe. Thechemical symbolfor Aluminum isAl. Discoverer: Davy, Sir H. and Thnard, L.-J. Each nuclide is denoted by chemical symbol of the element (this specifies Z) with tha atomic mass number as supescript. WebNeutrons can react with positrons or electron neutrinos to create protons and other products in one of the following reactions: At times much earlier than 1 sec, these reactions were fast and maintained the n/p ratio close to 1:1. Radiumis a chemical element withatomic number88which means there are 88 protons and 88 electrons in the atomic structure. Germaniumis a chemical element withatomic number32which means there are 32 protons and 32 electrons in the atomic structure. Zinc is the 30th element of the periodic table so its atomic number is 30. Atomic mass (A) = Nucleus mass = Total mass of protons and neutrons (p + n), Again, the mass of each proton and neutron is about 1amu. Thechemical symbolfor Terbium isTb. Holmium is a relatively soft and malleable silvery-white metal. Fermiumis a chemical element withatomic number100which means there are 100 protons and 100 electrons in the atomic structure. Thechemical symbolfor Iron isFe. In this case, the zinc atom carries a positive charge. Why is it important for us to know the number of electrons and protons? ', Become a Study.com member to unlock this answer! Caesium is a soft, silvery-gold alkali metal with a melting point of 28.5 C, which makes it one of only five elemental metals that are liquid at or near room temperature. For example, actinides with odd neutron number are usually fissile (fissionable with slow neutrons) while actinides with even neutron number are usually not fissile (but are fissionable with fast neutrons). Proton is a positively charged particle. WebElectrons, protons, and neutrons are located in the atom as permanent particles. Why is it important for us to know the number of electrons and protons? How many protons, neutrons and electrons does lead have? Uraniumis a chemical element withatomic number92which means there are 92 protons and 92 electrons in the atomic structure. One of the topics of my research is the periodic table. Atoms are so small particles that they cannot be seen even under a powerful microscope. These condensers use tubes that are usually made of stainless steel, copper alloys, or titanium depending on several selection criteria (such as thermal conductivity or corrosion resistance). Lutetium is the last element in the lanthanide series, and it is traditionally counted among the rare earths. 1) Sodium - 23 2) 12 neutrons 600 Scandiumis a chemical element withatomic number21which means there are 21 protons and 21 electrons in the atomic structure. Chemistry, 22.06.2019 06:40. Zirconiumis a chemical element withatomic number40which means there are 40 protons and 40 electrons in the atomic structure. The results of his experiments show that each element has a unique integer equal to the number of positive charges in the nucleus of that element. There are two types of particles in the nucleus. Fluorineis a chemical element withatomic number9which means there are 9 protons and 9 electrons in the atomic structure. How many neutrons does a neutral atom of platinum have? Your email address will not be published. Like all elements with atomic number over 100, nobelium can only be produced in particle accelerators by bombarding lighter elements with charged particles. Aluminum has 14 positively charged protons and 14 negatively charged electrons, giving it a net charge of zero. Thechemical symbolfor Astatine isAt. How many neutrons does the isotope Ca-42 have? To know the number of electrons, you need to know the atomic number of that element. Nickelis a chemical element withatomic number28which means there are 28 protons and 28 electrons in the atomic structure. Hydrogen gas can be produced by reacting aluminum with sulfuric acid. Thulium is an easily workable metal with a bright silvery-gray luster. Thechemical symbolfor Chlorine isCl. Q. WebElectrons, protons, and neutrons are located in the atom as permanent particles. The aluminum atom has 13 electrons and protons and also 14 neutrons. According to the Einstein relationship (E=mc2), this binding energy is proportional to thismass differenceand it is known as themass defect. Thorium is moderately hard, malleable, and has a high melting point. How can you find protons, neutrons and electrons from an atomic number? Thechemical symbolfor Francium isFr. Therefore, a zinc atom has thirty-five neutrons. The English chemist Frederick Sodi first came up with the idea of isotopes in 1912, and the scientist Aston in 1919 identified two different massneon atoms(20Ne,22Ne). (1969), Discoverer: Scientists at Dubna, Russia (1967)/Lawrence Berkeley Laboratory (1970), Discoverer: Armbruster, Paula and Muenzenberg, Dr. Gottfried, Element Category: unknown, probably a transition metal, Discoverer: David Anderson, Ruhani Rabin, Team Updraft, Element Category: unknown, probably a post-transition metal, Discoverer: Hisinger, Wilhelm and Berzelius, Jns Jacob/Klaproth, Martin Heinrich. Zirconium is a lustrous, grey-white, strong transition metal that resembles hafnium and, to a lesser extent, titanium. WebQ: 1) How many protons, neutrons and electrons are there in a neutral atom of the isotope represented by: 139 L 57 2) An io Answered over 90d ago Q: 1.A person has a mass of 9.82 x 104 g. What is this person's mass in pounds? For12C the atomic mass is exactly 12u, since the atomic mass unit is defined from it. Thechemical symbolfor Hydrogen isH. With a standard atomic weight of circa 1.008, hydrogen is the lightest element on the periodic table. Atoms can usually be divided into two parts. That is, neutron number (n) = atomic mass number (A) atomic number (Z). Thechemical symbolfor Selenium isSe. Aluminum has 13 electrons/protons and 14 neutrons. Thechemical symbolfor Vanadium isV. Vanadium is a hard, silvery grey, ductile, and malleable transition metal. Thus, the number of positive charges present in the nucleus of an element is called the atomic number of that element. The tetravalency of carbon enables it to form a variety of chemical bonds with various elements. It is a member of the chalcogen group on the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as well as with other compounds. Tungsten is an intrinsically brittle and hard material, making it difficult to work. Like all elements with atomic number over 100, lawrencium can only be produced in particle accelerators by bombarding lighter elements with charged particles. By mass, oxygen is the third-most abundant element in the universe, after hydrogen and helium. So I have discussed with you the electron configuration of all the elements of the periodic table so that I can share all my acquired knowledge with everyone. Also, neutrino, antineutrino, positron, and mason are located in an atom as temporary particles. Thechemical symbolfor Thorium isTh. How many protons are in an atom of copernicium? How many neutrons are in an actinium atom? The charge of electrons is 1.609 1019coulombs and the relative charge is 1. 10.0 mol d. Mass was no longer considered unchangeable in the closed system. Pure radium is silvery-white alkaline earth metal. Quality education can build a beautiful society. Helium is a chemical element with atomic number 2 which means there are 2 protons and 2 electrons in the atomic structure. Of the 30 radioisotopes of zinc, the longest-lived radioisotope is 65Zn with a half-life of 243.66 days. Sodium is a soft, silvery-white, highly reactive metal. Hafniums large neutron capture cross-section makes it a good material for neutron absorption in control rods in nuclear power plants, but at the same time requires that it be removed from the neutron-transparent corrosion-resistant zirconium alloys used in nuclear reactors. The elemental metal is rarely found in nature, but once isolated artificially, the formation of an oxide layer (passivation) stabilizes the free metal somewhat against further oxidation. Krypton is a member of group 18 (noble gases) elements. Thechemical symbolfor Oxygen isO. Radon occurs naturally as an intermediate step in the normal radioactive decay chains through which thorium and uranium slowly decay into lead. Thechemical symbolfor Promethium isPm. Weba. 18. If there are too many or too few neutrons for a given number of protons, the resulting nucleus is not stable and it undergoesradioactive decay.Unstable isotopesdecay through various radioactive decay pathways, most commonlyalpha decay,beta decay,gamma decayorelectron capture. 113Cd has specific absorption cross-section. The smallest of the permanent core particles of an atom is the electron. Astatine is the rarest naturally occurring element on the Earths crust. 1 pt. Aluminiumis a chemical element with atomic number13which means there are 13 protons and 13 electrons in the atomic structure. Therefore, a zinc atom has thirty-five neutrons. There are over 100 different borate minerals, but the most common are: borax, kernite, ulexite etc. The half-life of 26 Al is 7.17 10 5 (717,000) years. To know these properties of zinc one must know the number of electrons and protons of zinc. Commercially, thallium is produced as a byproduct from refining of heavy metal sulfide ores. It is obtained chiefly from the mineral cassiterite, which contains tin dioxide. Rutheniumis a chemical element withatomic number44which means there are 44 protons and 44 electrons in the atomic structure. Multiple-choice. When an atom carries a negative or positive charge by accepting or rejecting electrons, it is called an ion. The number of protons in an isotope atom does not change but the number of neutrons does. Europium is a moderately hard, silvery metal which readily oxidizes in air and water. How many protons, neutrons and electrons does calcium have? Lithiumis a chemical element withatomic number3which means there are 3 protons and 3 electrons in the atomic structure. Polonium is a rare and highly radioactive metal with no stable isotopes, polonium is chemically similar to selenium and tellurium, though its metallic character resembles that of its horizontal neighbors in the periodic table: thallium, lead, and bismuth. The difference between the mass number of the zinc atom and the number of protons is thirty-five. How many electrons are there in the outer electron shell of a neutral Al atom? This thread is archived New comments cannot be posted and votes cannot be cast comment Al Gore is going to be misread as How many protons does an atom of the isotope 133Cs have? * If an atom has an abnormal number of electrons or neutrons, it may have different chemical and physical properties than the typical form of the element. Thechemical symbolfor Palladium isPd. But how will you find the number of protons, neutrons and electrons in Aluminum (Al)? Strontiumis a chemical element withatomic number38which means there are 38 protons and 38 electrons in the atomic structure. Carbonis a chemical element withatomic number6which means there are 6 protons and 6 electrons in the atomic structure. WebShort Answer. Iridiumis a chemical element withatomic number77which means there are 77 protons and 77 electrons in the atomic structure. Also discussed is the position of electrons, protons, and neutrons in an atom, the number of atomic masses, and the isotopes of vanadium. We are also told that this particular atom lacks 3 electrons instead of the usual one electron per proton, so it has only 10 electrons leaving the given ion structure as described in the question. How many moles of sulfuric acid are needed to completely react with 15.0 mol of aluminum? (1 kg = 2.2046 lbs) 2.16 x 10 5 lb 4.45 x Answered over 90d ago