naming ionic compounds

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. Forming and Naming Ionic Compounds: Forming rules for all Ionic Compounds: 1) Write the cation and its charge first (on the left). Name: _____ Naming Ionic Compounds Directions: Name the following compounds using the Stock Naming System. CC BY-SA 3.0. http://en.wikipedia.org/wiki/ionic%20compound, http://www.chem1.com/acad/webtext/intro/int-5.html, http://en.wikipedia.org/wiki/Naming_ionic_compounds%23Naming_simple_ionic_compounds, http://en.wikipedia.org/wiki/Ionic_compound, https://www.boundless.com/chemistry/textbooks/boundless-chemistry-textbook/, Convert between the chemical formula of an ionic compound and its name. For example, Cu(NO3)2 is copper (II) nitrate, because the charge of two nitrate ions (NO3−1) is 2\cdot(-1) = -2. IUPAC Naming of Salts (Binary Inorganic Ionic Compounds) Introductory Chemistry Tutorial Key Concepts. Some polyatomic anions contain oxygen. CC BY-SA 3.0. http://en.wikipedia.org/wiki/Ionic_compound The anion is named by taking the elemental name, removing the ending, and adding “ide.” For example, F-1 is called fluoride, for the elemental name, fluorine. Its older name is cupric chloride. This is the currently selected item. Review: Naming Ionic Compounds - Answers Write the formulas of the following ionic compounds (1 pt each): 1) iron (II) arsenide Fe 3 As 2 2) lead (II) sulfate PbSO 4 3) lead (IV) hydroxide Pb(OH) 4 4) copper (II) acetate Cu(C 2 H 3 O 2) 2 5) beryllium chloride BeCl 2 6) ammonium chromate (NH 4) 2 CrO 4 7) silver oxide Ag 2 O For example, NaF is also known as sodium fluoride. Naming Ionic Compounds 1 Naming Ionic Compounds What are the structural units that make up ionic compounds and how are they named? A cationis a positively charged ion 2. The name of an ionic compound also gives you information about the oxidation numbers of the elements. Naming Ionic Compounds Using -ous and -ic 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. When working in chemistry, it is often convenient to write a chemical in symbols. Names and formulas of ionic compounds. Polyatomic ions. Example: The bleaching agent sodium hypochlorite is NaClO. The net charge of an ionic compound must be zero. In all cases, ionic compound naming gives the positively charged cation first, followed by the negatively charged anion. Gravity. Write. Naming monatomic ions and ionic compounds. Naming Ionic Compounds Recall that ionic compounds consist of a positively charged cation and a negatively charged anion. Naming Ionic Compounds In science, it is important to have a system that we can follow in naming things. When naming ionic compounds, we always name the cation first with its full scientific name. By sticking to each other, they resolve, or partially resolve, their separate charge imbalances. Naming ionics with polyatomic ions. Given descriptors, diagrams. This compound is therefore, copper (II) nitrate. Example: FeCl3 is ferric chloride or iron(III) chloride. CC BY-SA. This particular resource used the following sources: http://www.boundless.com/ Naming ionic compound with polyvalent ion. Ionic compounds are (usually) formed when a metal reacts with a nonmetal (ora polyatomic ion). 1. 4. Example: Cu3P is copper phosphide or copper(I) phosphide. Therefore, the number of cations and anions in an ionic compound must be balanced to make an electrically neutral molecule. She has taught science courses at the high school, college, and graduate levels. Practice: Naming ionic compounds. (adsbygoogle = window.adsbygoogle || []).push({}); In chemistry, an ionic compound is a chemical compound in which ions are held together by ionic bonds. 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. The polyatomic ion name stays the same. Identify the compound as an ionic compound first [begins with a metal and ends with nonmetal(s)]. Stock systemA system of naming that includes using Roman numerals to indicate the charge on transition metals. or scenarios, students will write and name the chemical formulas of common polyatomic ions and ionic compounds containing main group or transition metals and bases. 6. Salts are composed of two ions (binary means two): ⚛ a cation (positively charged ion) ⚛ an anion (negatively charged ion) Cations can be … For example, Sodium has a +1 charge and Chloride has a -1 charge, so the ionic compound would be named Sodium Chloride. The net charge of an ionic compound must be zero. STUDY. 3) Ignoring the +, drop the number of the charge of the cation down as a subscript on the second element/compound. In the cases of iron and copper, the Latin names of the elements are used (ferrous/ferric, cuprous/cupric). They have more than one element. When naming ionic compounds, the cation retains the same name as the element. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Naming ionic compound with polyvalent ion. Nomenclature is the process of naming chemical compounds with different names so that they can be easily identified as separate chemicals. In both systems, the name of the anion ends in -ide. The Roman numeral naming convention has wider appeal because many ions have more than two valences. Usually, the positively charged portion consists of metal cations and the negatively charged portion is an anion or polyatomic ion. Write the formulas for the four ionic compounds that can be made by combining the cations Mg2+ and Fes+2.43 (a) (NH 4) 2 CO 3 (d) AlPO 4 (b) CaI 2 (e) AgCH 3 CO 2 Test. You have to recognize the polyatomic ions within the formula. (When an ion consists of more than one element, we … The cation has the same name as its element. Naming Ionic Compounds. It is still common to see and use the older naming convention in which the prefix bi- is used to indicate the addition of a single hydrogen ion. Ionic/Covalent Compound Naming Solutions 1) Na 2 CO 3 sodium carbonate 2) P 2 O 5 diphosphorus pentoxide 3) NH 3 ammonia 4) FeSO 4 iron (II) sulfate 5) SiO 2 silicon dioxide 6) GaCl 3 gallium chloride 7) CoBr 2 cobalt (II) bromide 8) B 2 H 4 diboron tetrahydride 9) CO carbon monoxide 10) P 4 Ionic compound nomenclature or naming is based on the names of the component ions. Consult the periodic table of elements. The Roman numerals in fact show the oxidation number, but in simple ionic compounds this will always be the same as the metal’s ionic charge. “Calcium” The anion is an element (chlorine) Remove the –ine and add –ide “Chloride” Calcium is not a transition metal, so disregard step 3 Finally, write the name of the cation followed by the name of the anion. 1. Here is some tips, and tricks for naming ionic compounds. Its systematic name is copper (II) chloride, where copper’s oxidation number is indicated in parentheses. The anion’s name is similar to the elemental name, but the ending of the name has been removed and replaced with “ide.”. Naming Compounds – Part 1 – YouTube: This video explains how to name covalent and ionic compounds. Ionic compounds consist of cations (positive ions) and anions (negative ions). Ionic compounds have high melting and boiling points, and they tend to be hard and brittle. Naming compounds have never been so simple! Covalent or molecular compounds form when elements shareelectrons in a covalent bond to form molecules. At first you may incorrectly attempt to name every element in the formula. Naming ionic compound with polyvalent ion. Spell. If either the cation or the anion was a polyatomic ion, the polyatomic ion name is used in the name of the overall compound. Rules for Naming Ionic Compounds Containing Polyatomic Ions: Polyatomic ions are ions which consist of more than one atom. To name an ionic compound, the two involved ions are both individually named. Suppose that you want to name the compound that results from the reaction of lithium and sulfur. Thus, in an ionic bond, one ‘bonder’ must have a positive charge and the other a negative one. Here are the principal naming conventions for ionic compounds, along with examples to show how they are used: A Roman numeral in parentheses, followed by the name of the element, is used for elements that can form more than one positive ion. Because no other simpler formula is possible, there is no need to name it “calcium dibromide.” CaBr2 can be named using either the Stock method or the older, classic way of naming. Common polyatomic ions. The -ide ending is added to the name of a monoatomic ion of an element. Since some metallic elements form cations that have different positive charges, the names of ionic compounds derived from these elements must contain some indication of the cation charge. Ionic compounds are compounds composed of ions, chargedparticles that form when an atom (or group of atoms, in the case of polyatomicions) gains or loses electrons. The older method uses the suffixes -ous and -ic to denote the lower and higher charges, respectively. With my strategy and step by step examples, you will be naming compounds like a pro in no time! For cations that take on multiple charges (typically transition metals), the charge is written using Roman numerals in parentheses immediately following the element name. The positively charged ion or cation comes before the negatively charged ion or anion. Therefore, the number of cations and anions in an ionic compound must be balanced to make an electrically neutral molecule. Google Classroom Facebook Twitter. You can use a chart to see the possible valences for the elements. If a metallic element has cations of different charges, which cation is used has to be indicated by its suffix (an older method) or by Roman numerals in parentheses after its name in writing (the Stock system). PLAY. CC BY-SA 3.0. http://www.chem1.com/acad/webtext/intro/int-5.html Ions can be single atoms, as the sodium and chlorine in common table salt (sodium chloride), or more complex groups such as the carbonate in calcium carbonate. CaCO 3 calcium carbonate_____ 2. Naming Ionic Compounds with Polyatomic Ions The process of naming ionic compounds with polyatomic ions is the same as naming binary ionic compounds. Wikipedia Example: The classic example is the chemical name for water, H2O, which is dihydrogen monoxide or dihydrogen oxide. There is no space between the element name and the parenthesis. This is the currently selected item. Created by. Start studying Naming Ionic Compounds. Transfer of Electrons from metal to nonmetal Formation of Ions Attraction of oppositely charged ions. The cation is named first, followed by the anion. Learn. Sodium chloride, for instance, is an ionic compound containing sodium and chlorine. If the formula . Boundless vets and curates high-quality, openly licensed content from around the Internet. Generally, there are two types of inorganic compounds that can be formed: ionic compounds and molecular compounds. A cation, which is a positively charged ion, and an anion which is negatively charged. Polyatomic anions sometimes gain one or more H+ ions to form anions of a lower charge. When naming ionic compounds, all of the information you’ll need is on the periodic table. Boundless Learning Positive to positive and negative to negative ionic bonds do not occur. Covalent co… You should know the Roman numerals for 1 (I), 2 (II), 3 (III), 4 (IV), 5 (V), and 6 (VI). Remember, they may be either ionic or covalent compounds, so make sure you use the right naming method! For example, nitrate ion, NO 3-, contains one nitrogen atom and three oxygen atoms.The atoms in a polyatomic ion are usually covalently bonded to one another, and therefore stay together as a single, charged unit. Since the net charge of the ionic compound must be zero, the Cu ion has a 2+ charge. In the case where there is a series of four oxyanions, the hypo- and per- prefixes are used in conjunction with the -ite and -ate suffixes. Why? These anions are called oxyanions. An anionis a negatively charged ion. One example is the ammonium Sulfate compound in Figure 5.7. Naming Ionic Compounds Containing Transition Metals If an ionic compound contains a transition metal, use Roman numerals to denote which ion it is. Mini Quiz Solution: Naming Ionic Compounds Name the compound CaCl2 Write the name of the cation first. Dihydrogen dioxide, H2O2, is more commonly called hydrogen dioxide or hydrogen peroxide. Salts are simple inorganic binary ionic compounds. We'll learn how to name ionic compounds that have transition metals in them. Email. This notation is usually seen with metals since they commonly display more than one oxidation state or valence. But to be considered an ion, they must carry a positive or negative charge. The one overriding requirement is that the resulting compound must be electrically neutral: therefore the ions Ca2+ and Br– combine only in a 1:2 ratio to form calcium bromide, CaBr2. 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