9 Does sulfur gain 2 electrons to form a cation. 9 . Co3+Cobalt is the 27th element on the Periodic Table, then since 3 electrons have been stripped from it it gets a charge of 3+. See the answer n ion from a given element has 27 protons and 24 electrons. Therefore, the number of electrons in neutral atom of Chromium is 24. See Answer Chromium is a chemical element with atomic number 24 which means there are 24 protons and 24 electrons in the atomic structure. Which type of gland releases its secretions directly into the extracellular fluid? 2) You may not distribute or commercially exploit the content, especially on another website. Give the ion symbol for the ion that has 27 protons and 24 electons? An aluminum ion, Al3+, has: A) 13 protons and 13 electrons C) 16 protons and 13 electrons E) 10 protons and 13 electrons B) 27 protons and 24 electrons D) 13 protons and 10 electrons. protons & electrons neutrons & electrons electrons & protons Question 2 30 seconds Q. Add to Favorites Join Now! B) When an atom gains an electron, it becomes a cation, which is positively charged. Oxidation states are typically represented by integers which may be positive, zero, or negative. b. 3+ charge We realize that the basics in the materials science can help people to understand many common problems. The cookie is used to store the user consent for the cookies in the category "Performance". But opting out of some of these cookies may affect your browsing experience. Subtopic: Electron Configurations of Cations and Anions, 70. It's easy to get a hydrogen atom with one proton and one neutron (deuterium), yet you won't find a helium atom with an atomic weight of 2 because this would mean the helium atom had two protons and zero neutrons! What is the atomic number of an element with 24 protons and 24 electrons? These alloys are usually characterized as ductile, weldable, and hardenable by cold forming. Team Normal "Vote Republican" Edition - Corrugated Yard Sign with H-Stake for display. Calculate the number of moles in 47.51 g of Al2O3, potassium chlorate (used in fireworks, flares and safety matches) forms oxygen and potassium chloride when heated What is the symbol for the ion. . The cookie is used to store the user consent for the cookies in the category "Other. symbol Co. ThoughtCo. Often, the number of protons and electrons is not the same, so the atom carries a net positive or negative charge. Neutrons and protons, commonly callednucleons, are bound together in the atomic nucleus, where they account for 99.9 percent of the atoms mass. What is the name and symbol of an ion that has 26 protons and 23 electrons? neutrons has a mass number of 54, which is the sum of the protons This simple yet funny mug with full sarcasm quotes and humorous sayings is the perfect gift ideas you are looking for. We assume no responsibility for consequences which may arise from the use of information from this website. Neutrons stabilize the nucleus, because they attract each other and protons , which helps offset the electrical repulsion between protons. Each element is defined by the number of protons found in each of its atoms. Chromium is a member of group 6, of the transition metals. A proton of mass m=1.6710^-27 kg and charge q=1.610^-19 C is accelerated from rest in vacuum under . Cobalt- 6 How many protons are found in Aluminium. Based on the information provided, explain why steel is considered a synthetic material. Atomic Number . Rutherford's experiment with alpha particle scattering by gold foil established that, protons are not evenly distributed throughout an atom, What term is used to represent the total number of neutrons and protons in the nucleus of each atom of an element, bromine is the only nonmetal that is a liquid at room temperature. . Number of neutrons is 14 in Aluminium. Chromium(VI) is a strong oxidising agent in contrast to the molybdenum(VI) and tungsten(VI) oxides. Therefore the chargeof the ion is 3. Chromium 51 (Cr-51) is a radioactive isotope of chromium with a half-life of 27.7 days, its decomposition being by capture of an electron with gamma-ray emission. B 27 protons and 24 electrons C 16 protons and 13 electrons D 13 protons and 10 from CHM 1033 at Miami Dade College, Miami Study Resources Main Menu by School by Literature Title by Subject by Study Guides Textbook SolutionsExpert TutorsEarn Main Menu Earn Free Access Upload Documents Refer Your Friends Earn Money Become a Tutor The Cookies Statement is part of our Privacy Policy. An atom with 7 protons, 6 neutrons, and 7 electrons has an atomic mass of amu. The number of protons is equal to the number of electrons. }205kPa. Steel is made by heating iron ore with carbon. The 28 neutrons exists, but in small (<1%) ratio. It could be part of the main body, but then the periodic table would be rather long and cumbersome. ___C7H14+ ____O2 EQUALS _____CO2+ _____H2O, balance the equation below using the smallest set of whole numbers, then add together the coefficients. Is it easy to get an internship at Microsoft? Multiple choice question. B) 1.00 L OF THIS SOLUTION IS REQUIRED TO FURNISH 0.300 MOL OF CA 2+ IONS The chemical reaction that produces ethanol also produces what by-product? Give the ion symbol for the ion that has 27 protons and 24 electrons. 2/24/2023 10:53:43 PM| 5 Answers. Naturally occurring chromium is composed of three stable isotopes; 52Cr, 53Cr and 54Cr, with 52Cr being the most abundant (83.789% natural abundance). intgre pour deux protons correspond donc aux deux protons des deux groupes carboxyle (1) et (4). Without negative charged space fluid, matter will be tooo dense to . If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. mass number = protons + neutrons What is the mass number of an atom that contains 24 protons 27 neutrons and 24 electrons? 28. 1s2 2s2 2p6 3s2 3p6 4s2 3d7 This is based upon filling allowing partials in. Furthermore, the number of electrons is always equal to that of protons. Calculate the number of protons neutrons and electrons it contains. However this quest, What is the name of the element. The dot or line is a valid at 26 protons vs 32 neutrons, so that isotope is observed. What is the charge on the , Iodide is a good nucleophile and if it displaces bromide or, Quantity Name of Unit Symbol. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. Routing number of commercial bank of Ethiopia? Check out a sample QA here. Ask an Expert. The atomic number of an element is equal to the number of protons and electrons in that element. 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. When the element is neutral, positive charge from protons neutralized by equal number of electrons and, Z = number of protons = number of electrons But, on losing electron the atom turned into a cation. What are its atomic number, atomic mass, and net charge? Why? The total electrical charge of the nucleus is therefore +Ze, where e (elementary charge) equals to1,602 x 10-19coulombs. 1 Nhn Ung The protonsexist in the nuclei of typical atoms, along with their neutral counterparts, the neutrons. Answered Aug 7 2018 by Courtney104. Cobaltis a chemical element with atomic number27which means there are 27 protons in its nucleus. Reaction rate depends on how many molecules are coming into contact with each other with enough energy to react. answer choices protons electrons neutrons nucleus Question 4 Write the number of electrons protons and neutrons present in it. 27 d.). Cobalt is found in the Earths crust only in chemically combined form, save for small deposits found in alloys of natural meteoric iron. Grab one now ! 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. If the particle is neutral, then there will be nine Cobalt-60 has 27 protons (thus 33 neutrons). Charge = Number of protons - number of electrons, The atom is positively charged and it can be depicted as Z, This site is using cookies under cookie policy . Patchi. We realize that the basics in the materials science can help people to understand many common problems. Chromium is a steely-grey, lustrous, hard and brittle metal4 which takes a high polish, resists tarnishing, and has a high melting point. 8 What is the protons of aluminum 27. To find the charge; Charge = Number of protons - number of electrons Charge = 27 - 24 = +3 Most elements have more than one possible oxidation state. Substance delta H deg.f (kJ/mol) B2O3(s) -1273.5 B5H9(s) +73.2, For the reaction depicted below, if Z represents Zn, which metal could A represent? What is the coefficient for 02 when the following combustion reaction of a hydrocarbon is balanced What is Chromium 52 mass number? What is the symbol for the ion. In the universe, neutrons are abundant, making upmore than halfof all visible matter. The current IUPAC Gold Book definition of oxidation state is: Oxidation state of an atom is the charge of this atom after ionic approximation of its heteronuclear bonds. 20 9/3/2012 Technical Training. Nickel b. Tin c. Sodium d. Sulfur e. Calcium a. Nickel An aluminum ion, Al3+, has Select one: a. It is classified as a transition metal. Did Nehru raise the national flag of India on 15th August 1947? If the charge is positive there are. 13 protons and 14 neutrons -- mass number is 27. Go to cart. Finally, use the known mass number to determine how many neutrons you have Thechemical properties of the atomare determined by the number of protons, in fact, by number andarrangement of electrons. Cobalt atoms have 27 electrons and 27 protons with 32 neutrons in the most abundant isotope. Manage Settings 27 electrons Chromium-51 has 24 protons, 24 electrons & 27 neutrons. An ion from a given element has 27 protons and 24 electrons. You can find out more about our use, change your default settings, and withdraw your consent at any time with effect for the future by visiting Cookies Settings, which can also be found in the footer of the site. oxygen The elements in a column of the periodic table are known as, Subtopic: Periodic Classification of the Elements. A. atomic number = 26, atomic mass = 56, net charge = 3+ What isotope has 24 protons and 24 electrons? Iron ore is a reddish-brown rock that contains iron oxide. a) cation b) anion c) neither 8. The chemical symbol for cobalt is Co. An isotope of iron (Fe) has 26 protons and 32 neutrons. Step 2: Positively charged body When the number of electrons is less than the number of protons in the body, the body is said to be positively charged. However, this assumes the atom to exhibit a spherical shape, which is only obeyed for atoms in vacuum or free space. Answered Aug 7 2018 by Jewelz. The charge of an ion tells you how many more or less electrons it has compared to it's original atomic number. cross out The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". 27 protons and 24 electrons. It does not store any personal data. Protons. The configuration of these electrons follows from the principles of quantum mechanics. The number of electrons is independent of the number of neutrons Electrons are much smaller in mass than protons, . Empirical Formula: Definition and Examples, How to Determine Number of Protons and Electrons in Ions, Nuclear Structure and Isotopes Practice Test Questions, Atom Diagrams Showing Electron Shell Configurations of the Elements. The atomic mass is carried by the atomic nucleus, which occupies only about 10-12of the total volume of the atom or less, but it contains all the positive charge and at least 99.95% of the total mass of the atom. (An ion is just a molecule with an unequal number of electrons and protons). The electron configuration is the distribution of electrons of an atom or molecule (or other physical structure) in atomic or molecular orbitals. Chromium-54 is composed of 24 protons, 30 neutrons, and 24 electrons. The atomic number of a sodium atom is 11 and its mass number is 23. The electronegativity of Cobalt is: = 1.88. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. For any atom, what you need to remember is: Number of Protons = Atomic Number of the Element, Number of Neutrons = Mass Number - Atomic Number. E. a series that has the same nuclear charge. So atomic number is 27 And a it's just nothing but mass number. Helmenstine, Anne Marie, Ph.D. "How Many Protons, Neutrons, and Electrons in an Atom?" Chemistry, 22.06.2019 01:30. No matter how many electrons or neutrons an atom has, the element is defined by its number of protons. An example of data being processed may be a unique identifier stored in a cookie. . a. 6 months ago. What is the reflection of the story of princess urduja? Express your answer as an ion. The number of electrons in each elements electron shells, particularly the outermost valence shell, is the primary factor in determining its chemical bonding behavior. Program in VA is paying homeowners to install solar + battery. Chromium 52: The atomic number Z = 24, so there are 24 protons and 24 electrons. Chromium-52 is composed of 24 protons, 28 neutrons, and 24 electrons. The proton focused the electrons at a very small area leading to the formation of a single cusp-like peak. Electron affinities are more difficult to measure than ionization energies. O 32 protons 27 neutrons and. Cation" is a term for any positively charged ion. Don't forget to count coefficients of one. Enter your email for an invite. An ion from a given element has 27 protons and 25 electrons. Is . d. 13 protons and 10 electrons. If you continue to use this site we will assume that you are happy with it. An ion has an unequal number of protons and electrons. Therefore, they do not contribute much to an element's overall atomic mass. The periodic table lists the atomic weight for each element, which can be used to find mass number, For hydrogen, for example, the atomic weight is 1.008. 2 protons, 2 electrons, and 1 neutron. $ 27.83. Protons carry a positive electrical change while electrons are negatively charged and neutrons are neutral. Chromium 52 In this case there are 3 more protons. 24 electrons Cobalt is the 27th element of the periodic table so its atomic number is 27. What isotope has 26 protons 24 electrons and 32 neutrons? Many other rare types of decay, such as spontaneous fission or neutron emission are known. This cookie is set by GDPR Cookie Consent plugin. Note that, ionization energies measure the tendency of a neutral atom to resist the loss of electrons. Who is Jason crabb mother and where is she? Give the number of protons (p), electrons (e), and neutrons (n) in one atom of chlorine-37. 72. Charge = Electrons in the neutral element - number of electrons in the ion The first two columns on the left side of the periodic table are where thessubshells are being occupied. First Ionization Energyof Cobalt is7.881 eV. 12 What has 78 neutrons. Knowledge of theelectron configurationof different atoms is useful in understanding the structure of the periodic table of elements. the average distance between the earth and the moon is 240,000 miles. What is the charge of an ion with 24 electrons? Protons, neutrons and electrons of all elements are mentioned in the table below. When you visit the site, Dotdash Meredith and its partners may store or retrieve information on your browser, mostly in the form of cookies. 26 protons and 24 electrons. This cookie is set by GDPR Cookie Consent plugin. So for a we have three protons into electron. about 1.67 10 24 grams. Solution for The element cobalt Co has. For a neutral atom, the number of electrons is the same as the number of protons. These cookies ensure basic functionalities and security features of the website, anonymously. a series that has two or more species that have identical electron configurations, but different nuclear charges. Chromium is the first element in the sixth column of the periodic table. Protons are the positively charged particles within an atom. Since protons and electrons have equal and opposite charges , this means that atoms are neutral overall. 0.5 c. 1 d. 1.5 e. 2, One characteristic of the monomers that form condensation polymers that is not common in monomers that form addition polymers is Select one: a. the presence of alkyl side chains. C. a series that can have only up to three species and have similar electron configuration and similar nuclear charges. Want to see the full answer. The isotope of cobalt that contains 27 protons and 27 lose, or share to become stable (isoelectronic with al noble gas). An ion has an unequal number of protons and electrons. As copper has an atomic number of 29, it also will have 29 protons in its nucleus. - Answered by Guest A neutral atom has equal number of protons and electronsThe proton is positive while the electron is negative so it cancels out when ithas equal number. Therefore, the number of electrons in neutral atom ofCobaltis27. Singulet trs large 2 ppm . Routing number of commercial bank of Ethiopia? What element that number of protons is 27? e. 97.1 mL, calculate the oxidation number of iodine in i2, in the chemical reaction 5h2o2 + 2MnO4- + 6H equals 2Mn2+ + 8h2O + 5o2 the oxidizing agent is, identify the reducing agent in the chemical reaction Cd+ NiO2+ 2H2O equals Cd (OH) 2 + Ni (OH) 2, what is the name given to the quantitative relationship between the substances that are consumed and produced in a chemical reaction, what is the percent sodium in sodium carbonate, balance the following equation : ThoughtCo, Aug. 26, 2020, thoughtco.com/protons-neutrons-and-electrons-in-an-atom-603818. Analytical cookies are used to understand how visitors interact with the website. Oxidation state 0 occurs for all elements it is simply the element in its elemental form. Looking for a sarcastic quotes or saying mugs with a beautiful font for a birthday or Christams gift ? The difference between the neutron number and the atomic number is known as theneutron excess: D = N Z = A 2Z. . We use cookies to ensure that we give you the best experience on our website. An aluminum ion, Al3+, has: A) 13 protons and 13 electrons C) 16 protons and 13 electrons E) 10 protons and 13 electrons B) 27 protons and 24 electrons D) 13 protons and 10 electrons. Chromium is a chemical element with atomic number 24 which means there are 24 protons in its nucleus. A neutral atom has equal number of protons and electronsThe proton is positive while the electron is negative so it cancels out when ithas equal number. Helmenstine, Anne Marie, Ph.D. (2020, August 26). mass # - atomic # = # of neutrons 51 - 24 = 27 An atom has 14 protons and 13 neutrons what it its atomic mass? What is the atomic number of an element with 24 protons and 24 electrons? In this case there are 3 more protons. 1 fm (femtometer) = 10^-15 m . Here, 27 is nothing but atomic number. The cusp is at the coordinate x = 0 and y = 0 on the detection plane which is directly above the proton coordinate x = 0 and y = 0. 21 9/3/2012 Cummins Confidential Technical Training . What is the full electron configuration for an atom that has 27 electrons? 6. The information contained in this website is for general information purposes only. The number of electrons in an electrically-neutral atom is the same as the number of protons in the nucleus. How many protons and neutrons does magnesium have? Total number of protons in the nucleus is called theatomic numberof the atom and is given thesymbol Z. In the periodic table, the elements are listed in order of increasing atomic number Z. (13.7 + 0.027) / 8.221. what name is given to the concept that different samples of a given compound always contain the same elements in the same mass ratio? The neutron has a mean square radius of about 0.81015 m, or 0.8 fm, and it is a spin- fermion. P190511? What is the name and symbol of an ion that has 26 protons and 23 electrons? In the periodic table, the elements are listed in order of increasing atomic number Z. Electron configuration ofChromiumis[Ar] 3d54s1. What is the answer punchline algebra 15.1 why dose a chicken coop have only two doors? Elementsymbol Atomic Number Atomic Mass Protons Electrons Neutrons Oxygen O Cobalt Co Lead Pb Ppt Download. PS - 1.4 Isotopes Day/ Block: -'~=- - - 1) Write the chemical symbol for the isotope of an element that has 94 protons and 146 As copper has an atomic number of 29, it also will have 29 protons in its nucleus. For F-, the number of protons (from the periodic table) is 9 and the number of electrons is: To find the number of neutrons in an atom, you need to find the mass number for each element. For hydrogen, 1.008 is closer to 1 than 2, so let's call it 1. 27 9/3/2012 Technical Training. We have step-by-step solutions for your textbooks written by Bartleby experts! (a) What . What is error code E01-5 on Toyota forklift. 300 p C . 2003 May 27, X1.4 2005 Sep 13, X1.7 Broken power-law in photon space . What is the correct order of DNA replication. We have nine protons and 10 electrons. It must be noted, atoms lack a well-defined outer boundary. The Universe is made of Protons, Neutrons, Electrons & Morons "No Common Sense" Edition - Yard Sign. An ion of iron has an 26 protons, 30 neutrons, and 23 electrons. There are 27 electrons in the Cu2+ ion. Fortunately, all you need is a periodic table. Drew a blank on this one thank you. The element of an atom with 2 protons is always helium. Ohm's Law for AC Circuits In general, resistive circuits behave the same with AC . The atomic radius of a chemical element is a measure of the distance out to which the electron cloud extends from the nucleus. 6 What has 74 protons and electrons. Each of the electrons in a particle beam has a kinetic energy of 1.60 1017 J. What happens to atoms during chemical reaction? Science Monte Carlo Transport of Electrons and Photons Advances in Imaging and Electron Physics Electron Microscopy In Materials Science - Proceedings Of The International School Principles and . Determine how many centimeters from the pipe the ball will remain at rest. c. 16 protons and 13 electrons. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. C) Y & R 12 How do you find the mass number of Aluminium. In February, we have selected iron, the most abundant element on Earth, with chemical symbol Fe (from the Latin word "ferrum") and atomic number 26. 11 How do u find neutrons. B. a series that has the same ionization potentials. 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. How many protons and electrons are present in one Br. The element cobalt is characterzied by the presence of 27 massive, positively charged particles, 27 protons , in its nucleus. . Each electron is influenced by the electric fields produced by the positive nuclear charge and the other (Z 1) negative electrons in the atom. For hydrogen, the number of protons is 1. Chapter 09 Chemical Reactions in Aqueous Solutions.pdf, Chemistry 12th Edition Chang Test Bank.docx, Chapter 03 Quantum Theory and the Electronic Structure of Atoms.pdf, Chapter 10 Energy Changes in Chemical Reactions.pdf, 1 RPPEO 2 ROPEA 3 POEAR 4 PAREO 5 None of these Clearly in the given figures the, ETHICS 15 the silence of those in influential positions Because of the way, 18 ii Answer nickname Click Save and click Close in the Security Questions, Copyright Notice The MBE is owned by NCBE and is a secure exam protected by US, Mixing Sauces Slotted spoon Let liquid pass through Read the following recipe, 06_0841_02_2RP_AFP-Adventure-Narrative.pdf, HIV also causes rapid increase in the number of orphans CONCEPT OF DISEASE, ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff, 275 SP 044 This indicates that the skills of teachers who teach RBT are still at, of the autonomy principle may seem uncomfortable and be perceived to be against, Burke Harris has partnered with San Franciscos Chief of Police which Smith, child abuse child abuse physical or emotional mistreatment of a child physical, D Configure an Amazon DynamoDB database to serve as the data store for the, Version 1 16 17 Either imagining or encountering an anxiety provoking stimulus, Page 12 of 21 QUESTION 3 Clifford plc operates a supermarket chain The most, Another investigation by Roger Boshier 1968 with adolescent boys and girls in, A solution is 40.00% by volume benzene (C6H6) in carbon tetrachloride at 20C. You'll need to gather basic information about the elements to find the number of protons, neutrons, and electrons. Read Or Download Gallery of fundamental forces of nature multiwavelength astronomy - All Elements Protons Neutrons Electrons understanding solar power electricity what are the first 20 elements names and symbols protons neutrons electrons. For stable elements, there is usually a variety of stable isotopes. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. Chromium is one of the most important and indispensable industrial metals because of its hardness and resistance to corrosion. Main purpose of this project is tohelp the public to learn some interesting and important information about chemical elements and many common materials. A An element X has mass number 27 and atomic number 13. O 27 protons 27 neutrons and 32 electrons. . 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. List five major steps in the life cycle of a moss. An aluminum ion, Al3+, has: Total number of protons in the nucleus is called the atomic number of the atom and is given the symbol ZThe total electrical charge of the nucleus is therefore Ze where e elementary charge equals to 1602 x 10-19 coulombs. d. 27 protons, 24 electrons. Electrons are much smaller in mass than protons, weighing only 9.11 10 28 grams, or about 1/1800 of an atomic mass unit. However, you may visit "Cookie Settings" to provide a controlled consent. 17p, 17e, 20n. KCIO3(S) EQUALS KCL(S)+ 02(G), what is the limiting reactant when 3.41g of nitrogen react with 2.79g of hydrogen to produce ammonia, and how many grams of ammonia are produced, nitrogen is the limiting reactant and 4.15 g of ammonia are produced, what is defined as a tentative explanation for observations that are made that result in the formulation of this concept, which of the following cannot be separated into a simpler substance by chemical means. The atomic mass is the mass of an atom. What are the physical state of oxygen at room temperature? What the Numbers on the Periodic Table Mean, Basic Model of the Atom and Atomic Theory, positive-charged protons, negative-charged electrons, Ph.D., Biomedical Sciences, University of Tennessee at Knoxville, B.A., Physics and Mathematics, Hastings College. Answer in femtojoules. There are 27 electrons in the Cu2+ ion. 0. If the ion has a 1- charge (simply written with a minus superscript), then there are more electrons than the number of protons. write the symbol of ions asked by ash October 29, 2009 3 answers What element has atomic number 26? The Cookies Statement is part of our Privacy Policy. (1mi= 1609m). In order to write the Chromium electron configuration we first need to know the number of electrons for the Cr atom (there are 24 electrons). A) X & Y How many protons and electrons are in an isotope? Is it lithium, with 3 protons and 2 neutrons? : Select one: a. Rb, Sr2+, S2-, Br- b.Se2-, Br- c. Se2-, Sr2+, Br- d. Se2-, Sr2+, Br-, Ar e. Sr2+, Br-, Ar, According to molecular orbital theory, what is the bond order of the hypofluorite ion, OF-? Download the App! The correct answer is option D. The given ion is an aluminum ion that is, Al3+ Classify H2O as cation, anion, or neither. An oxide ion, O2-, has: A) 8 protons and 10 electrons D) 8 protons and 7 electrons B) 10 protons and 8 electrons E) 10 protons and 7 electrons The number of neutrons in an atom can be determined by the difference between the atomic mass and the number of protons. Continue with Recommended Cookies. c. 496.8 mL . How Many Protons, Neutrons, and Electrons in an Atom? 7 What element has 53 protons and 70 neutrons. 112 rows Scandium has 21 protons 24 neutrons and 21 electrons. Cobalt atoms have 27 electrons and 27 protons with 32 neutrons in the most abundant isotope.
