where X is any atom or molecule capable of being ionized, X+is that atom or molecule with an electron removed (positive ion), and eis the removed electron. The chemistry of zinc is dominated by the +2 oxidation state. Exercise 4.8. Zinc-68 is composed of 30 protons, 38 neutrons, and 30 electrons. In other words, it can be expressed as the neutral atomslikelihood of gaining an electron. In anuclear symbol,the mass number of the isotope is positioned as a superscript before anelemental symbol, and the atomic number of the element is written directly underneath the mass number. Mass numbers of typical isotopes of Zincare64; 66-68; 70. 25 - 11 = # of Neutrons. Pure alpha or beta decays are very rare. Use the clay to make your protons and neutrons in the nucleus. This element has 30 isotopes, 5 of them are natural and stable ones. This whole discussion of isotopes brings us back to Dalton's Atomic Theory. The atomic number of a sodium atom is 11 and its mass number is 23. The electron configuration can be visualized as the core electrons, equivalent to thenoble gasof the preceding period, and the valence electrons (e.g. Together with neutrons, they make up virtually all of the mass of an atom. From the Periodic Table we can find the element. after the element. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. Zinc always has 30 protons; therefore, it's atomic number is 30 and it has 30. In contrast, the carbon isotopes called carbon-12 and carbon-13 are stable. Number of Electrons in Zinc. Note that the mass number calculated in Example \(\PageIndex{1}\) does not match the number underneath the elemental symbol and name for hydrogen on the periodic table. In this notation, the atomic number of the isotope is written as a subscript. For atoms with many electrons, this notation can become lengthy and so an abbreviated notation is used. For spatial reasons, listing the mass numbers for all of an element's isotopeswithin a single box on the periodic table is impractical. If you are confused the Atomic Mass will be the larger number think of it as more massive than the Atomic Number. The mass number of an atom is calculated by adding together the number of protons and neutrons that are found within that atom, as shown below. To find the number of neutrons, subtract the number of protons from the mass number. 2. 2) You may not distribute or commercially exploit the content, especially on another website. Calculate the number of protons, neutrons and electrons it contains. We and our partners use cookies to Store and/or access information on a device. The isotope of carbon known as carbon-14 is an example of a radioisotope. That means that the number of protons and electrons will be equal. These atoms are the isotope named deuterium. The information contained in this website is for general information purposes only. In the periodic table, the elements are listed in order of increasing atomic number Z. Electron configuration of Selenium is [Ar] 3d10 4s2 4p4. Chemically a reactive metal, zinc combines with oxygen and other non-metals, reacts with dilute acids to release hydrogen. The surface of the pure metaltarnishesquickly, eventually forming a protectivepassivatinglayer of the basiczinc carbonate,Zn5(OH)6(CO3)2, by reaction with atmosphericcarbon dioxide. Always. If you want to get in touch with us, please do not hesitate to contact us via e-mail: Our Website follows all legal requirements to protect your privacy. It must be noted, atoms lack a well-defined outer boundary. 1). This fact has key implications for the building up of the periodic table of elements. There are two main ways in which scientists frequently show the mass number of an atom they are interested in. { "4.01:_Cutting_Aluminum_until_you_get_Atoms" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "4.02:_Indivisible_-_The_Atomic_Theory" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "4.03:_The_Nuclear_Atom" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "4.04:_The_Properties_of_Protons_Neutrons_and_Electrons" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "4.05:_Elements-_Defined_by_Their_Number_of_Protons" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "4.06:_Looking_for_Patterns_-_The_Periodic_Table" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "4.07:_Ions_-_Losing_and_Gaining_Electrons" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "4.08:_Isotopes_-_When_the_Number_of_Neutrons_Varies" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "4.09:_Atomic_Mass_-_The_Average_Mass_of_an_Elements_Atoms" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()" }, { "00:_Front_Matter" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "01:_The_Chemical_World" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "02:_Measurement_and_Problem_Solving" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "03:_Matter_and_Energy" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "04:_Atoms_and_Elements" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "05:_Molecules_and_Compounds" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "06:_Chemical_Composition" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "07:_Chemical_Reactions" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "08:_Quantities_in_Chemical_Reactions" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "09:_Electrons_in_Atoms_and_the_Periodic_Table" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "10:_Chemical_Bonding" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "11:_Gases" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "12:_Liquids_Solids_and_Intermolecular_Forces" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "13:_Solutions" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "14:_Acids_and_Bases" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "15:_Chemical_Equilibrium" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "16:_Oxidation_and_Reduction" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "17:_Radioactivity_and_Nuclear_Chemistry" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "18:_Organic_Chemistry" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "19:_Biochemistry" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "zz:_Back_Matter" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()" }, 4.8: Isotopes - 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The Average Mass of an Elements Atoms, status page at https://status.libretexts.org. 40 = 19 + # of Neutrons And of course if there are 30 positively charged particles, there must be 30 negatively charged particles in the NEUTRAL atom. We can round this to 12. Determine the number of protons, electrons, and neutrons of an element with a given mass number. Enjoy! No other website explained it as well as wikiHow did! This isotope is represented using the second symbolism shown inFigure \(\PageIndex{2}\). Many isotopes occur naturally. Thechemical properties of the atomare determined by the number of protons, in fact, by number andarrangement of electrons. Other Metals When you add more electrons, the ion becomes negative. "This article has helped me by figuring out how to know how many protons and electrons there are in a periodic. Boiling Point The atomic mass (number at the bottom) is the amount of protons and neutrons added together. I'm a mother trying to gain enough understanding to assist my. How do I find the number of protons when an atom has a -ve or +ve charge? Keep in mind that you do not have to do this calculation if there is no superscripted ion number following the element. It is the first element of group 12 of the periodic table. In other words, neutrons are the subatomic particle responsible for maintainingthe structural integrity of the nucleus. The configuration of these electrons follows from the principles of quantum mechanics. wikiHow marks an article as reader-approved once it receives enough positive feedback. Explain what isotopes are and how an isotope affects an element's atomic mass. Neutrons are also located in thenucleus of an atom, and the mass of a neutron wasfound to bejustslightly greater than the massof a proton. The number of neutrons in the isotope can again be calculated from its mass number, which is the numerical value written after the dash in both representations shown in Figure \(\PageIndex{2}\). For example, any atom with an atomic number of 8 (its nucleus contains 8 protons) is an oxygen atom, and any atom with a different number of protons would be a . Platinum-196 is composed of 78 protons, 118 neutrons, and 78 electrons. Atomic Number So if an element has an atomic number of 5, you know that it has 5 protons and 5 electrons. When they decay, they release particles that may be harmful. Gallium. Even though an element can appear as different isotopes, the natural abundance of each isotope varies. Zinc-67 is composed of 30 protons, 37 neutrons, and 30 electrons. But if atoms of a given element can have different numbers of neutrons, then they can have different masses as well! Finding the number of protons, neutrons, and electrons in a given element isn't as hard as it sounds. This elements is used in solder, cosmetics and pigments too. It could be part of the main body, but then the periodic table would be rather long and cumbersome. In the third type of elemental symbolism, which is calledanuclear symbol,the mass number of the isotope is positioned as a superscript before anelemental symbol, and the atomic number of the element is written directly underneath the mass number. The Number of Protons from Electrons. What is Zn-67 isotope natural abundance?Answer: 4.000 %, What is atomic mass for Zn-67 isotope?Answer: 66.927127 Da, What is isotopic mass for Zn-67 isotope?Answer: 66.927127, How many neutrons does Zn-67 isotope have?Answer: 37, How many protons does Zn-67 isotope have?Answer: 30, How many electrons does Zn-67 isotope have?Answer: 30, What is atomic number for Zn-67 isotope?Answer: 30, BuyIsotope2012-All Rights ReservedTerms of UseandPrivacy Policy. Use aperiodic table to calculate the mass number of a hydrogen atom that contains 2 neutrons. Recall, however, that all protons, which each bear a +1 charge, are densely-packed into the central region of an atom. What is the molar mass of Pb(Cr 2 O7) 2? Where more than one isotope exists, the value given is the abundance weighted average. The atomic number (represented by the letter Z) of an element is the number of protons in the nucleus of each atom of that element.An atom can be classified as a particular element based solely on its atomic number. Checkout Interactive Periodic table and download its high resolution image now (Its FREE). table. Zinc-70 is composed of 30 protons, 40 neutrons, and 30 electrons. For example, boron (B) has an atomic number of 5, therefore it has 5 protons. An element that is not combined with any other different elements has an oxidation state of 0. Write the nuclear symbol of the isotope that is described in Example \(\PageIndex{2}\). This article received 116 testimonials and 82% of readers who voted found it helpful, earning it our reader-approved status. The mass number, however, is 6 in the isotope with 3 neutrons, and 7 in the isotope with 4 neutrons. Subtract the atomic number (30) from the atomic mass (65). Chemically a reactive metal, zinc combines with oxygen and other non-metals, reacts with dilute acids to release hydrogen. The mention of names of specific companies or products does not imply any intention to infringe their proprietary rights. The number of protons found within an atom defines the identity of that atom, and all of an atom's protons collectively attract the surrounding electrons, keeping the latter bound tothe atom. 60 - 27 = # of Neutrons, Mass Number = # of Protons + # of Neutrons According to Dalton, atoms of a given element are identical. 1). From the periodic table, we see that the atomic number (number of protons) for the element carbon is #6#. . The protonsexist in the nuclei of typical atoms, along with their neutral counterparts, the neutrons. Dalton always experimented with large chunks of an elementchunks that contained all of the naturally occurring isotopes of that element. For all atoms with no charge, the number of electrons is equal to the number of protons. From memory this isotope is approx. If you are not given the Mass Number, its best to round to the Atomic Mass to the nearest whole number. Having too many or too few neutrons relative to protons results in an unstable, or radioactive, nucleus that will sooner or later break down to a more stable form. Zinc-70 is composed of 30 protons, 40 neutrons, and 30 electrons. [6] For our boron example, 11 (atomic mass) - 5 (atomic number) = 6 neutrons. "This literally might be the reason that my A will be kept at an A, versus lowering to what could be a B+ or an A-. In a neutral atom, the number of electrons is equal to the number of protons. In some respects zinc is chemically similar to magnesium: both elements exhibit only one normal oxidation state (+2), and the Zn2+ and Mg2+ ions are of similar size. There are . Numberof electrons contained in the atom, The atomic number of an element is found above the elemental symbol within a box on the periodic table. For a neutral atom, the number of protons and the number of electrons are equal. 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 nucleus is composed of protons and neutrons. \[\text{number of neutrons} = 40 - 19 = 21. atomic number from its atomic mass (the number listed underneath the Exercise 1.8. Neutron = 65 - 30 = 35. For example, with He we have 4.00. How do you find mass number of an isotope? Protons, neutrons and electrons of all elements are mentioned in the table below. The total number ofneutronsin the nucleus of an atom is called theneutronnumberof the atom and is given thesymbol N. Neutronnumber plusatomic numberequals atomic mass number:N+Z=A. For most of our purposes in chemistry, we will do the same thing and deal with the average mass of the atoms. Instead, a weighted average, called anatomic mass average,is calculated. The most electronegative element among the following is A. sodium . Last Updated: November 1, 2022 If you are on mobile device, then use a Desktop site mode to see interactive periodic table), Periodic table Labeled with Everything (9+ different Images), Periodic table with Ionization Energy values (labeled image), Periodic table with Electronegativity values (labeled image), Periodic table with Valence Electrons Labeled (7 HD Images), Periodic table with Charges Labeled on it (7 HD Images), Electronegativity Chart of All Elements (All Values Inside), Ionization Energy of all Elements (Full Chart Inside), Atomic Radius of All the Elements (Complete Chart Inside), Electron Configuration of All Elements (Full Chart Inside), Protons Neutrons & Electrons of All Elements (List + Images), Orbital Diagram of All Elements (Diagrams given Inside), Nitrogen (N) Periodic Table (Element Information & More). Mass numbers of typical isotopes ofZincare64; 66-68; 70. Using the group (columns) or period (rows) can make the element easier to locate on the table. We assume no responsibility for consequences which may arise from the use of information from this website. The mass number, 65, is the sum of the protons and the neutrons. Anyone canbe able to come here,learn the basicsofmaterials science, material properties and to compare these properties. Zinc is used to coat other metal (galvanizing) to protect them from rusting. The atomic mass of zinc is 65.38, so we'll take the roundup value as 65. If you are not given the Mass Number, its best to round to the Atomic Mass to the nearest whole number. For all atoms with no charge, the number of electrons is equal to the number of protons. That number is equal to the number of protons. 238 = 92 + # of Neutrons Moreover, it always contains the two in the same relative amounts (or "relative abundance"). Explanation: Each zinc isotope contains 30 protons, 30 massive, positively charged nuclear particles. 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. Protons Neutrons & Electrons of All Elements (List + Images) Protons, neutrons and electrons of all elements are mentioned in the table below. The atomic number of actinium is 89, which means there are 89 protons. Use aperiodic table to determine the following information for an atom that has an atomic number of 74 and a mass number of 186. It has an atomic number of 6. Zincis a chemical element with atomic number30which means there are 30 protons in its nucleus. The mass of the neutron is 1.674 10 27 kg. Very simple and helpful. an element is to look at the elements atomic number on the periodic table. Each electron is influenced by the electric fields produced by the positive nuclear charge and the other (Z 1) negative electrons in the atom. However, neutrons effectively act as "nuclear glue" and allow the protons to exist in close physical proximity to one another. Isotopes of any given element all contain the same number of protons, so they have the same atomic number (for example, the atomic number of helium is always 2). Research in high-energy particle physics in the 20th century revealed that neither the neutron nor the protonis notthe smallest building block of matter. Zinc has anelectron configurationof [Ar]3d104s2and is a member of thegroup 12of theperiodic table. It hasa positive electric charge (+1e)and a rest mass equal to 1.67262 1027kg (938.272 MeV/c2) marginally lighter than that of the neutron but nearly 1836 times greater than that of the electron. Because there is no net charge, we know that # protons = # electrons, so there are 89 electrons as well. Noble Gases In the nickel nucleus represented above, the atomic number 28 indicates that the nucleus contains 28 protons, and therefore, it must contain 31 neutrons in order to have a mass number of 59. \nonumber \]. Atoms consist of a nucleus containing protons and neutrons, surrounded by electrons in shells. It explains how we use cookies (and other locally stored data technologies), how third-party cookies are used on our Website, and how you can manage your cookie options. The total number ofneutronsin the nucleus of an atom is called theneutronnumberof the atom and is given thesymbol N. Neutronnumber plusatomic numberequals atomic mass number:N+Z=A. Because an electron has a negative charge, when you remove electrons, the ion becomes positive. What does the difference between the mass number and the atomic number tell us? Platinum-194 is composed of 78 protons, 116 neutrons, and 78 electrons. Coating of steel constitutes the largest single use of zinc, but it is used in large tonnages in zinc alloy castings, as zinc dust and oxide, and in wrought zinc products. 238 - 92 = # of Neutrons, Mass Number = # of Protons + # of Neutrons Because of their high fluidity, zinc alloys can be cast in much thinner walls than other die castings alloys, and they can be die cast to tighter dimensional tolerances. Thanks, and keep the knowledge coming! Today, we know that atoms contain protons, neutrons and electrons. These individual "versions" of an element are called isotopes, which are defined as atoms of an element that have the same atomic numbersand, therefore, contain the same number of protons, butdifferent mass numbers, and, therefore, contain differingnumbers of neutrons. Many other rare types of decay, such as spontaneous fission or neutron emission are known. Each subatomic particle exists to serve a specific purpose. The electron configuration is the distribution of electrons of an atom or molecule (or other physical structure) in atomic or molecular orbitals. Each zinc isotope contains 30 protons, 30 massive, positively charged nuclear particles. Oxidation states are typically represented by integers which may be positive, zero, or negative. . Find out through evulpo's learning resources! But some carbon atoms have seven or eight neutrons instead of the usual six. Hence, zinc has a total of 65 - 30 = 35 neutrons. Since the number of electrons and their arrangement are responsible for the chemical behavior of atoms, theatomic numberidentifies the various chemical elements. An ion of platinum has a mass number of 195 and contains 74 electrons. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. In the universe, protons are abundant, making upabout halfof all visible matter. If you are confused the Atomic Mass will be the larger number think of it as more massive than the Atomic Number. You need the atomic number to find the amount of protons and/or electrons, unless you have the amount of neutrons and the atomic mass, in which case you can simply subtract the amount of neutrons from the atomic mass, leaving the amount of protons in the atom. That kid is me. Determine the number of protons, neutrons, and electrons in a specific isotope of anelement. Transition Metals Zinc is a chemical element with atomic number 30 which means there are 30 protons in its nucleus. Sinceeveryexisting atom of hydrogen must contain 1 proton, the atomic number that is written above hydrogen's elemental symbol truly does representeveryatom of hydrogen. For example, with N 3-, the 3- tells you that three electrons were gained.With something like Na+ or Cl-. Include your email address to get a message when this question is answered. That #Z=30#, #"(Z=the atomic number)"#, defines the nucleus as ZINC. As summarized in Table 2.1, protons are positively charged, neutrons are uncharged and electrons are negatively charged. Therefore, this particular atom of hydrogen will have a mass number of 3. Therefore, there are 35 neutrons in this isotope of zinc (Zn). 1) You may use almost everything for non-commercial and educational use. If you are given the atomic weight of an atom, you need to subtract the number of neutrons to get the number of protons. About 70% of the worlds zinc originates from mining, while the remaining 30% comes from recycling secondary zinc. The true mass of an atom is an incredibly small quantity. He, "This article explained how to determine protons, neutrons and electrons in a very simple fashion, making excellent, "The explanation is detailed and simple. It is thePauli exclusion principlethat requires the electrons in an atom to occupy different energy levels instead of them all condensing in the ground state. You can find a periodic table online or in a chemistry book. Most hydrogen atoms have just one proton, one electron, and lack a neutron. I hope you have understood the simple method for finding the protons, neutrons and electrons of zinc atom. The consent submitted will only be used for data processing originating from this website. If a proton's mass is 1.67 x 10-27 kg and the mass of an electron is 9.11 x 10-31 kg, . Mass Number = 1 + 2. The chemical symbol for carbon is #"C"#. we assume that we have 1+ and 1- even though the number \"1\" is not written.----Information on the Number of Neutrons and Mass Finding neutrons for neutral Lithium (Li): https://youtu.be/zlOrItfCh3UMass Number = Number of Protons + NeutronsThe Atomic Mass is usually written below the number. wikiHow is where trusted research and expert knowledge come together. Total number of protons in the nucleus is called the atomic number of the atom and is given the symbol Z. \[\text{number of neutrons} = 65 - 30 = 35 \nonumber \]. Neutrons and protons, commonly callednucleons, are bound together in the atomic nucleus, where they account for 99.9 percent of the atoms mass. Using this information we can find the other information for the Zinc cation.Note that even though Zn is a transition metal it only has forms the Zn 2+ ion.-----Rules-----Atomic Number = Number of ProtonsNumber of Protons = Number of Electrons (for a neutral element)***For ions the only difference is in the electron. number of neutrons = 65 30 = 35. Zn-67 isotope is used for Copper-67 (Cu-67 isotope, 67Cu isotope) radionuclide (radioisotope) production (can be used in life science for healthcare and medical applications and pharmaceuticals industries); Zn-67 isotope is used for studies on zinc metabolism; Zn-67 isotope is used for studies of copper-iron alloys stability using Moss-Bauer spectroscopy; Zn-67 isotope is used for studies of magnetic isotope doping impact on amorphous materials. All beryllium atoms have 5 neutrons in the nucleus and all fluorine atoms have 10 . However, recall that the number of neutronscontained in an element can vary from atom to atom. Protons have a positive electrical charge of one ( + 1) and a mass of 1 atomic mass unit (amu), which is about 1.67 10 27 kilograms. The element of an atom with 2 protons is always helium. The first two symbolisms are very similar, in that each includes the elemental name, or elemental symbol, of an element, followed by a dash and a numerical value, which corresponds to themass number of a particular isotope of that element. Zinc always has 30 protons. These two forces compete, leading to various stability of nuclei. and the term oxidation number is nearly synonymous. A neutronis one of thesubatomic particlesthat make up matter. By using our site, you agree to our. Likewise, each element must contain a minimum number of neutrons to hold the nucleus together, but could contain a small number of additional neutrons without sacrificing the structural integrity of the nucleus. In nature, only certain isotopes exist. Five stableisotopesof zinc occur in nature, with64Zn being the most abundant isotope (49.17%natural abundance). How can I find the electron and proton numbers of actinium? The number of protons is 1) You may use almost everything for non-commercial and educational use. Atomic nuclei consist of protons and neutrons, which attract each other throughthe nuclear force, while protons repel each other viathe electric forcedue to their positive charge. Number of Electrons in Zinc = Atomic number of Zinc = 30.