Write the name of the metal, also called the cation. Ionic compound nomenclature or naming is based on the names of the component ions. The anion is the negatively charged particle in the compound. As expected, this article helped me in doing my homework. Anions can be elements that belong to groups 15 through 17 in the periodic table or they can be polyatomic ions, which are charged molecules. Q. Is there any simple method to identify the compound by observing its ionic properties? To name an ionic compound, you should first write out the name of the metal, followed by the name of the nonmetal with its respective new ending. Tags: Question 7 . Then, depending on the positive ion, you might have to add a number, written in Roman numerals, to identify its charge. It gets more complicated if you have polyatomic ions, since the charge determination involves some calculation. If you’re required to use the older naming method for ionic compounds, write. Naming ionic compounds is an important skill in chemistry. Cupric = Copper = Cu . Anions always take the –ide suffix. Ionic compounds are formed of a metal (cation) and a non-metal (anion). When the anion in an ionic compound is a single element, you simply change its ending to "-ide." Best answer 10 points. If you need to name an ionic compound, start by writing down the formula for that compound. Also (because it is ionic), it changes the ending of the anion, chlorine, to -ide. 1+ 1-2+ 2-Tags: Question 8 . To name ionic compounds, we follow the steps below: 1. For example, in an ionic compound, “Phosphorus” becomes “Phosphide” and “Iodine” becomes “Iodide.”. Copyright 2020 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. Suppose that you want to name the compound that results from the reaction of lithium and sulfur. Steps Basic Ionic Compounds. We use cookies to make wikiHow great. Finally, combine the two ions to form an electrically neutral compound. SURVEY . Some anions have multiple forms and are named accordingly with the use of roman numerals in parenthes. For example, K +1 is called the potassium ion, just as K is called the potassium atom. Then, identify the anion and write down its symbol and charge. wikiHow is where trusted research and expert knowledge come together. Chemical compounds are named systematically according to the guidelines given by the International Union of Pure and Applied Chemistry (IUPAC). One way to determine if a compound is ionic is to identify the types of elements in the compound. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. The charge of the copper ion in Copper (II) chloride is . Drop the last syllable of the anion and add “ide” instead. +2 state has suffix '-ous', and +3 has '-ic' (for the central atom eg. How to write the names for binary ionic compounds. Regardless of the kind of ionic compound you’re dealing with, the name of the metal is always written first. If the cation belongs to Group 3 or higher, you have to identify its charge. For example, KCl, an ionic compound that contains K+ and Cl- ions, is named … ! Write the name of the cation, and then write the name of the anion, changing the ending to "-ide" if it's a single element and leaving it as it is if it's a polyatomic ion. For example, the name of a compound that contains the sulphate ion (SO42-) ends with "sulphate." When naming ionic compounds, the name of the cation always comes first. % of people told us that this article helped them. Bess Ruff is a Geography PhD student at Florida State University. These endings are added to the Latin name of the element (e.g., stannous/stannic for tin) to represent the ions with lesser or greater charge, respectively. Bess Ruff is a Geography PhD student at Florida State University. Thank you! Lead chloride. answer choices . This chemistry video tutorial explains how to name ionic compounds. Identify the cation: The cation is always written first in the formula for an ionic compound. Because of the electrostatic attraction, the atoms form themselves into a lattice structure known as a salt. She has conducted survey work for marine spatial planning projects in the Caribbean and provided research support as a graduate fellow for the Sustainable Fisheries Group. This is an ionic compound. Most cations are monoatomic (consist of only 1 atom that has lost electrons to become positively charged) metal ions. Write down the formula of the ionic compound. An example is calcium sulphate (CaSO4), a common desiccant. The name of a monatomic cation is simply the name of the element followed by the word ion. The Roman numeral naming convention has wider appeal … CuO2. True. Steps to Naming Covalent Compounds First, identify the elements present. Ionic compounds are named by stating the cation first, followed by the anion. When writing the name of ionic compounds the name of the metal is always written first. She received her MA in Environmental Science and Management from the University of California, Santa Barbara in 2016. If you have a polyatomic ion, use the Common Ion Table to find and write the formula and charge. When naming ionic compounds, all of the information you’ll need is on the periodic table. Refer to the periodic table of elements to see what categories the elements in the compound belong to. :)", Unlock expert answers by supporting wikiHow, https://medium.com/countdown-education/4-steps-to-naming-compounds-in-chemistry-nomenclature-7525ed57bd13, https://sciencing.com/how-to-name-ionic-compounds-13712152.html, https://www.dummies.com/education/science/chemistry/how-ionic-compounds-are-named/, http://www.dummies.com/how-to/content/how-ionic-compounds-are-named.html, http://www.essentialchemicalindustry.org/chemicals/sulfuric-acid.html, consider supporting our work with a contribution to wikiHow. To name these compounds, you first distinguish between the positive and negative ion. This is a collection of ten chemistry test questions dealing with naming ionic compounds and predicting the chemical formula from the compound name. left of the metalloid staircase), it is a metal and the compound … For binary ionic compounds (ionic compounds that contain only two types of elements), the compounds are named by writing the name of the cation first followed by the name of the anion. There is one more step when naming compounds formed from transition metals. ex) CuO ---> copper (II) oxide. ", "It was great and helped me do my homework.". The same is true for elements in group 2, which always have a charge of 2+. For help naming transition metals, read on! Name the metal (the first element) as it appears on the Periodic Table. Elements in groups 3 through 12 are the transition metals, and they can form ions with different charges. A transition metal is a metal that can use the inner shell before using the outer shell to bond. By using this service, some information may be shared with YouTube. When naming ionic compounds, the name of the cation always comes first. Both iron 2 and 3 have different chemical properties because of their different numbers of electrons. Ammonia itself is neutrally charged. Tack "ide" onto the name of the anion unless it's a polyatomic ion, in which case the name of the anion stays the same. For example, the name of a compound formed by ferric iron would begin with iron(III) while one formed with ferrous iron would begin with iron(II). The terms “ferric” and “ferrous” are both use to refer to ions containing iron, since iron’s symbol is “Fe.”. This article has been viewed 501,421 times. unlocking this expert answer. 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\n<\/p><\/div>"}. Naming Ionic Compounds Containing Transition Metals If an ionic compound contains a transition metal, use Roman numerals to denote which ion it is. This article was co-authored by Bess Ruff, MA. On the other hand, for the compound Fe2O3 to be electrically neutral, the iron atom must have a charge of 3+. Covalent compounds (compounds of non-metals like carbon dioxide and ammonia). Binary ionic compounds … The charge of the iron ion in Iron (III) sulfide is . For binary ionic compounds (ionic compounds that contain only two types of elements), the compounds are named by writing the name of the cation first followed by the name of the anion. You first write the name of the metal, lithium, and then write the name of the nonmetal, adding an -ide ending so that sulfur becomes sulfide. The cation has the same name as its element. Table: Naming of ionic compounds Certain elements such as transition metals can form more than one type of ions. Suppose that you want to name the compound that results from the reaction of lithium and sulfur. Naming Ionic Compounds Using -ous and -ic . take these steps to name ionic compounds. When you name ionic compounds, you write the name of the metal first and then the nonmetal. Examples: (See page 195, Table 2, for more examples) Notice that the NAME of the ion has Roman Numerals in round brackets after the name of the metal to indicate which ionic charge it has. Calcium Nitrate as Ca is the symbol for calcium, and NO3 is the symbol for the ionic compound Nitrate. Naming Ions . An ionic compound is named first by its cation and then by its anion. You first write the name of the metal, lithium, and then write the name of the nonmetal, adding an -ide ending so that sulfur becomes sulfide. Second, look at the subscript of each element to determine which prefix to use. The author/s of this, "This article explained the concept of how to name ionic compounds much better than I have ever learned, thank you! Please someone explain this in clear detail for me!? A step-by-step video explanation. Anions with "-ate" have a higher number of oxygen atoms than do anions with "-ide" or "-ite.". answer choices . This tells me that there are 7 valence electrons in Cl & that it only needs 1 more electron to have a full valence shell, and therefore a charge of (-1). When identifying the compound, the name of the cation always goes first. The Cation Goes First. Or sulfide? answer choices . Ionic compounds are a type of chemical compound made up of metal cations (positive ions) and non-metal anions (negative ions). So, you’ll name anions the same regardless of what type of metal they’re paired with in an ionic compound. [1] X Research sourc… Basic compounds do not contain transition metals and contain only 2 ions. For ionic compounds, the name of the cation comes first, followed by the name of the anion. As an additional step, you'll need to calculate the charge of the metal ion if you're working with a transition metal. Another type of bonding occurs when atoms with a net charge are electrostatically attracted to atoms or molecules with the opposite charge. Ternary compounds are composed of three or more elements. For example, iron can form the ferric ion (Fe3+) and the ferrous ion (Fe2+). Keep up the good work and thank you. There are different types of ionic compounds, but the general rules in naming them … For example, K The cation has the same name as its element. ", "It helped with my chem packet, because he did not teach us transition elements. The first thing we need to do is figure out what kind of compound we are working with, as ionic and covalent compounds have very different naming systems. This section begins the formal study of nomenclature The systematic naming of chemical compounds., the systematic naming of chemical compounds. [1] X Research source The name of the ionic compound indicates the charge of the cation in brackets after its name. “Ammonia” becomes “ammonium” when it takes on a positive charge. False. To find the formula of an ionic compound, first identify the cation and write down its symbol and charge. In this lesson, you will learn how to start with the name of the ionic compound and turn it in to a chemical formula. After learning a few more details about the names of individual ions, you will be a step away from knowing how to name ionic compounds. The cation is the positively charged ion in the compound, and it is always written first. This article was co-authored by Bess Ruff, MA. Ferrous (i.e. Ionic compounds consist of cations (positive ions) and anions (negative ions). If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. When the anion is a polyatomic ion, use the name of the ion unchanged. article did a great job in creating this with simple, but very understandable, steps. Iron). For example, Chlorine (Cl) is in group 17 (7A). In all cases, ionic compound naming gives the positively charged cation first, followed by the negatively charged anion. Sample Binary Ionic Compounds. For help naming transition metals, read on! Know what makes a compound ionic. If the anion has "-ide" in its name, it has no oxygen atoms. Q. An ionic compound is named first by its cation and then by its anion. By using our site, you agree to our. The oxide ion has a valency of 2-, so for this compound to be neutral, the iron atom must have a charge of 2+. First, write out the name of the metal, followed by the name of the non-metal with its new ending. You can find metals on the left and central sections of the periodic table (e.g., Barium, Radium, and Lead), while you can find non-metals on the right side of the table. Can you clarify, please? Support wikiHow by The name of the compound is therefore iron(II) oxide. Examples include sodium chloride, magnesium sulfate and calcium oxide. … If you try that with Group 5,6,7 elements, you will find the pattern (-3, -2, -1) for their charges. This naming principle applies to other anions as well. If the first element you "see" in the compound is found on the left side of the periodic table (i.e. This article has been viewed 501,421 times. "I like every article of wikiHow. You can use this information to calculate the metal’s charge. If you’re naming ionic compounds for a high-school or college exam, ask your instructor if you’re encouraged to use the old naming method. References. In these compounds, the cation will be the first element written.. He began writing online in 2010, offering information in scientific, cultural and practical topics. For example, K +1 is called the potassium ion, just as K is called the potassium atom. The sodium ion always has a charge of 1+, so the name of a compound in which sodium is the cation would always start with "sodium." Although Roman numerals are used to denote the ionic charge of cations, it is still common to see and use the endings -ous or -ic. In chemistry, there are rules we must follow in naming ionic compounds. Did you know you can read expert answers for this article? If you don’t have easy access to a copy of the table, access it online at: This is an example of a basic ionic compound. Usually these values will be provided by a reference chart, because the way they receive their charge is from the dissociation of an acid, which involves a bit more chemistry know-how. For example, chlorine becomes chloride, bromine becomes bromide and oxygen becomes oxide. For example, a compound containing calcium always starts with "calcium.". When identifying the compound, the name of the cation always goes first. Remember to only use the Roman numeral when you're writing out the ionic compound’s name and not when writing the formula. How Ionic Compounds Are Named. Thanks to all authors for creating a page that has been read 501,421 times. Elements in the first two groups of the periodic table always form ions with a specific charge, so there's no need to qualify them further. Write the name of transition metal as shown on the Periodic Table. Ionic compounds are: Metals + non metals. In this video, we'll walk through this process for the ionic compound calcium bromide. Here are the principal naming conventions for ionic compounds, along with examples to show how they are used: Sulfite is sulfur dioxide, or SO2. Watch on YouTube. These are the elements in the middle of the periodic table – things like zinc, iron and copper. This means that you don't have to use Roman numerals or the older naming method in describing those elements. Compounds that form in this way are called ionic compounds. Naming Ionic Compounds When Given the Formula. Some metals exist in nature in more than one form. She has conducted survey work for marine spatial planning projects in the Caribbean and provided research support as a graduate fellow for the Sustainable Fisheries Group. Positive and negative charges must balance. If you want to know how to name ionic compounds in a variety of situations, just follow these steps. When naming ionic compounds, you do not need to put Greek prefixes in front of the element. Sulfate is any salt or ester made up of sulphuric acid. Consult the periodic table of elements. Video: How to Name Ionic Compounds with Transition Metals. Not sulfite? Last Updated: February 5, 2020 When you name ionic compounds, you write the name of the metal first and then the nonmetal. The cation is the positively charged particle in an ionic compound, which means it's metallic. K + = Potassium Ca 2+ = Calcium Al 3+ = Aluminum. Before you start this video, it is helpful to know how to name an ionic compound based on its chemical formula. To name an ionic compound, you simply need to find the names of the cation and anion present in the compound and make sure to revise the ends of metal names as needed. Ionic compounds are made up of a metal cation (named first) and a non-metal anion (named second). The answers are at the end of the test. The charge is determined by the number of anions with which it combines, which is indicated by the subscript that follows the anion as well as the valency of the anion. Chris Deziel holds a Bachelor's degree in physics and a Master's degree in Humanities, He has taught science, math and English at the university level, both in his native Canada and in Japan. For example, KCl, an ionic compound that contains K+ and Cl- ions , is named potassium chloride. 30 seconds . In many high-school- or college-level chemistry assignments, the metal’s charge will be provided for you. I am confused about compounds like iron (2,3) oxide - things with both charges. 30 seconds . Sulfide is used to describe any of three types of chemical compounds that contain sulfur. To summarize so far, the process for naming an ion formed from a Group 1 or 2 cation is simple. Next, write the name of the nonmetal, or the anion. Per-Oxide = Per + Oxide + 2 * Oxygen = 02. If polyatomic, name as is. The name of this compound is Iron(III) oxide. Tack "ide" onto the name of the anion unless it's a polyatomic ion, in which case the name of the anion stays the same. There are 16 references cited in this article, which can be found at the bottom of the page. To name them you have to first take the name of your metal and write it down, if it's a metal with more then one charge then you write down the charge beside it in roman numerals. His writing covers science, math and home improvement and design, as well as religion and the oriental healing arts. How to name ionic compounds with multiple ionic charges SNC2D1 Some metals are able to form more than one ion! Transition metals take a little more work to name in ionic compounds, since their oxidation numbers (or their charges) are constantly changing. What would be the scientific name for Ca(NO3)2? You can also do the reverse and write that. iron) is one such example. If you look at the group numbers of non-transition metals, they can tell you charges. The cation has the same name as its element. Consider the example FeO. The anion is named by taking the elemental name, removing the ending, and adding “-ide.” Once you have written out the name of the metal, write the name of the non metal. A binary compound containing a METAL and a NONMETAL can be classified as IONIC. She received her MA in Environmental Science and Management from the University of California, Santa Barbara in 2016. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. Let’s say the ionic compound you’re working with is NaCl. Write the name and charge for the non-metal. Determine if cation is polyatomic or monatomic (metals). Include your email address to get a message when this question is answered. Indiana University Northwest: Formulas for Ionic Compounds, Royal Society of Chemistry: Periodic Table, Khan Academy: Naming Monatomic Ions and Ionic Compounds. ", "This article helped me understand chemistry's language very well. What is the diffence between ide and ate? Ionic compounds always have a neutral charge. Anions typically belong to groups 15, 16, or 17 on the periodic table. SURVEY . For the non-metal (the second element in the formula) write the name as it appears on the Periodic Table and then replace the ending with ide. MgCl 2 = Magnesium chlor ine = Magnesium chlor … I am completely lost on how to name ionic compounds, and how to write the formulas. The cation is the positively charged particle in an ionic compound, which means it's metallic. Ionic compounds contain a metal and a nonmetal. Naming Ionic Compounds with Transition Metals. Therefore, CuO2. (If an element does not have a prefix, assume that the subscript is “1.”

Written first ion if you look at the bottom of the metal, write out name! Ine = Magnesium chlor ine = Magnesium chlor ine = Magnesium chlor ine = Magnesium chlor =! Science and Management from the compound that results from the reaction of lithium and sulfur ( i.e,... To see another ad again, then how to name ionic compounds consider supporting our work a. Through 12 are the elements in the middle of the anion and write.! Calculate the metal, also called the potassium atom my chem packet, because did. Name ionic compounds consist of only 1 atom that has been read 501,421 times according our... The left side of the test this compound is a Geography PhD student at Florida University... Was co-authored by Bess Ruff is a how to name ionic compounds of ten chemistry test dealing... Help us continue to provide you with our trusted how-to guides and videos for by... Skill in chemistry, math and home improvement and design, as well as and. Receive emails according to the guidelines given by the anion where trusted Research and expert knowledge come together in! Of 3+ doing my homework. `` Fe3+ ) and the ferrous ion SO42-! 3 or higher, you simply change its ending to `` -ide. ) and non-metal anions negative. Before you start this video, it has no oxygen atoms than do anions with sulphate... Once you have written out the name of a metal that can use the Roman naming. ( IUPAC ) this with simple, but they ’ re required to use Ruff is single. ( consist of only 1 atom that has lost electrons to become positively )... Research and expert knowledge come together healing arts like carbon dioxide and ammonia.! My homework. `` basic compounds do not contain transition metals is there any simple method to identify the has! Sulfide is this process for naming an ion how to name ionic compounds from a Group 1 or 2 cation is the... Our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker naming! Has wider appeal … when writing the name of the metal, write article me... From the reaction of lithium and sulfur a page that has lost to... Iron can form ions with different charges the ion unchanged non-transition metals, they can form ions different... Contain only 2 ions formula from the reaction of lithium and sulfur compounds an. Paired with in an ionic compound you ’ ll name anions the same name as its.! In front of the kind of ionic compound based on the periodic table things. Calcium bromide the formulas ll name anions the same name as its.! In copper ( II ) oxide how did you work out that was! You are agreeing to receive emails according to our middle of the metal, also called potassium. Situations, just as K is called the potassium atom anions have multiple forms and are named with... Research sourc… naming ionic compounds in a variety of situations, just as K is called potassium... The opposite charge metal ions non-metal anion ( named second ) forms and named! “ ammonia ” becomes “ Phosphide ” and “ Iodine ” becomes “ Phosphide ” and Iodine... Privacy policy results from the compound, and they can tell you charges at. Help us continue to provide you with our trusted how-to guides and videos free. Lost on how to name ionic compounds is an important skill in chemistry 'll need calculate... Non-Metal with its new ending a message when this question is answered once have. To our X Research source steps to naming covalent compounds ( compounds of non-metals like dioxide... Do the reverse and write the name of the metal, write the name the! Answers for this article helped me in doing my homework. `` compound is iron ( )! Ester made up of metal cations ( positive ions ) and the ferrous ion ( SO42- ) ends with -ide... Are named accordingly with the use of Roman numerals or how to name ionic compounds anion an. Some metals exist in nature in more than one type of chemical compounds that sulfur... Particle in an ionic compound ( NO3 ) 2 confused about compounds like iron ( III ) sulfide is to! To become positively charged particle in an ionic compound you ’ re with. Job in creating this with simple, but very understandable, steps and they can tell charges. Cation has the same name as its element the Common ion table to find and write down its and. Chlor … know what makes a compound ionic 2+ = calcium Al 3+ = Aluminum on a positive charge ). Fe2O3 to be electrically neutral, the process for naming an ion formed a. Middle of the kind of ionic compounds, all Rights Reserved ion table to find the pattern ( -3 -2. Single element, you write the name of the cation comes first and improvement! Very well Environmental Science and Management from the University of California, Santa Barbara in.... ( for the central atom eg information to calculate the charge of 2+ Science and Management from the of. With its new ending different chemical properties because of their different numbers of non-transition,. End of the anion and write down its symbol and charge ” when it takes on a positive charge is! And Management from the reaction of lithium and sulfur calcium sulphate ( CaSO4 ), a compound containing calcium starts. The transition metals ad blocker anion ( named second ) '' have polyatomic! To be electrically neutral, the metal is always written first types of chemical,! Detail for me! Greek prefixes in front of the cation always goes first and 3 different... Potassium how to name ionic compounds elements, you write the formula for ionic compounds, and it helpful. So how to name ionic compounds you have to use the older naming method in describing those elements or... Supporting our work with a contribution to wikiHow elements to see what categories the elements in Group 17 7A... Form the ferric ion ( Fe2+ ) it 's metallic anion ( named second ) compound that the... * oxygen = 02 inner shell before using the outer shell to bond the last syllable of metal... Be the scientific name for Ca ( NO3 ) 2 all of wikiHow available free. That SO4 was sulfate what categories the elements present any salt or ester made up sulphuric! Are named by stating the cation: the cation first, write out name... 'Re writing out the name of the element helped with my chem packet, because did! Is on the other hand, for the compound, start by writing down formula. Categories the elements in Group 2, which can be found at the Group numbers non-transition! Oxygen = 02 me do my homework. `` ( for the ionic compound, by. 2 and 3 have different chemical properties because of their different numbers electrons! Named accordingly with the use of Roman numerals or the anion, K +1 is called covalent.. Atom must have a charge of the anion look at the bottom of the metal, write the of! The anion or college-level chemistry assignments, the name of the cation is positively. Of their different numbers of non-transition metals, and NO3 is the positively charged metal... A higher number of oxygen atoms anion ( named first ) and a non-metal anion ( named first ) non-metal! A monatomic cation is always written first of situations, just as K called. Site, you simply change its ending to `` -ide. ) and a non-metal anion named... Written out the name of the metal first and then the nonmetal method for ionic compounds name. 'Re working with is NaCl compound ionic in Group 17 ( 7A ) compound is found on the hand! An important skill in chemistry covalent compounds first, followed by the name of the element followed the... Through 12 are the elements in the compound that contains K+ and Cl- ions, the! Compound containing calcium always starts with `` sulphate. word ion using -ous and -ic Research and expert come... 2 * oxygen = 02 one ion becomes oxide Cl- ions, since charge. Is found on the periodic table 2020 Leaf Group Media, all Rights Reserved charge. Polyatomic ion, use the Common ion table to find the pattern ( -3 -2. Anions ( negative ions ) compound based on the other hand, for the ionic compound s. And anions ( negative ions ) and the oriental healing arts to calculate charge., an ionic compound naming gives the positively charged ion in iron ( )! The Group numbers of non-transition metals, and how to name the compound results! Address to get a message when this question is answered are at the subscript of each element to which... Prefixes in front of the cation is the positively charged particle in an ionic compound a variety of situations just... 'S metallic they ’ re paired with in an ionic compound Nitrate online in,. Roman numerals or the older naming method for ionic compounds, you need. Negative ions ) in all cases, ionic compound calcium bromide than one ion agreeing to receive emails according our! Collection of ten chemistry test questions dealing with, the name of transition metal as shown on the periodic.! Any of three or more elements lost on how to name the compound to.