Names of some ionic compounds. For example, Cu(NO3)2 is copper (II) nitrate, because the charge of two nitrate ions (NO3−1) is 2\cdot(-1) = -2. By sticking to each other, they resolve, or partially resolve, their separate charge imbalances. %%EOF O. Then either give the same or chemical formula as necessary for each problem below. 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. a. SnO b. Cr2S3 c. RbI d. BaBr2. 3. and (b) N. 2. e) Strontium oxide. Fe 3 + and Br − Fe 2 + and Br − Au 3 + and S 2− Au + and S 2− 11. CC BY-SA 3.0. http://en.wikipedia.org/wiki/Ionic_compound Formulas and Names for Ionic Compounds 1. For ionic compounds, the first atom is the name of the element, and the second atom has an -ide suffix. 0 If either the cation or the anion was a polyatomic ion, the polyatomic ion name is used in the name of the overall compound. Write a formula for the compound that forms between potassium and each polyatomic ion: a) carbonateb) phosphate c) hydrogen phosphated) acetate Name the ionic compound formed by each pair of ions. 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. All Chemistry Practice Problems Naming Ionic Compounds Practice Problems. For example, CuCl2 indicates a molecule where one Cu2+ cation associates with two Cl– anions to form a neutral compound. Systematic names are formal names that are always used in print. CC BY-SA 3.0. http://en.wikipedia.org/wiki/ionic%20compound http://en.wikipedia.org/wiki/Naming_ionic_compounds%23Naming_simple_ionic_compounds ... 8. Give each ionic compound an appropriate name. 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. Writing names and formulas for ionic compounds. b) Calcium fluoride. Positive to positive and negative to negative ionic bonds do not occur. Each compound will be named using the systematic nomenclature including, where necessary, appropriate Greek prefixes. Provide proper chemical names (spelling counts!). Li + and N 3− Mg 2 + and P 3− Li + and P 3− 10. Name the cation by stating its charge as Roman numeral in a parenthesis after its elemental name if it is a multiply charged metal. Q. c) Aluminum sulfide. The anion’s name is similar to the elemental name, but the ending of the name has been removed and replaced with “ide.”. 769 0 obj <> endobj The “ine” was removed and replaced with “ide.” To name a compound, the cation name and the anion named are added together. Give each ionic compound an appropriate name.Cr2 S3. Give the name and formula of the compound formed from the following elements: (a) cesium and bromine; (b) sulfur and barium; (c) calcium and fluorine. Give SrI2 ionic compound an appropriate name. Nomenclature, a collection of rules for naming things, is important in science and in many other situations.This module describes an approach that is used to name simple ionic and molecular compounds, such as NaCl, CaCO 3, and N 2 O 4.The simplest of these are binary compounds, those containing only two elements, but we will also consider how to name ionic compounds containing … Name the ionic compound formed by each pair of ions. d) Calcium bromide. Ionic bonds form instead of covalent bonds when there is a large difference in electronegativity between the ions. In the cases of iron and copper, the Latin names of the elements are used (ferrous/ferric, cuprous/cupric). 70) Iron and chlorine form an ionic compound whose formula is FeCl3. 9. BaS b. FeCl3 c. PbI4 d. SrBr2 Name the ionic compound formed by each pair of ions. An ionic compound is named first by its cation and then by its anion. CC BY-SA. 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 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. 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. Name the following binary molecular compounds: (a) NF. Boundless vets and curates high-quality, openly licensed content from around the Internet. b. FeCl3 Q. For example, Ca(NO3)2 is called calcium nitrate. The polyatomic ion name stays the same. This compound is therefore, copper (II) nitrate. h) Lithium oxide << This particular resource used the following sources: http://www.boundless.com/ Part 1: Binary Ionic Compounds Give the formula and name for the ionic compound formed between each of these metals with each of these nonmetals: Metals: sodium, magnesium, aluminum Step-by-Step Solution: Step 1 of 3. Therefore, the number of cations and anions in an ionic compound must be balanced to make an electrically neutral molecule. The older method uses the suffixes -ous and -ic to denote the lower and higher charges, respectively. Give each ionic compound an appropriate name. 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. Solution (a) nitrogen trifluoride (b) dinitrogen tetroxide. Boundless Learning Ionic compounds form when positive and negative ions share electrons and form an ionic bond.The strong attraction between positive and negative ions often produce crystalline solids that have high melting points. Following the rule above, you would name this compound copper oxide. Remember that transition metals can have multiple oxidation states, so you are required a. BaS b. FeCl3 c. PbI4 d. SrBr2 . Sodium forms only a 1+ ion, so there is no ambiguity about the name sodium ion. Key Difference – Ionic vs Covalent Compounds Many differences can be noted between ionic and covalent compounds based on their macroscopic properties such as solubility in water, electrical conductivity, melting points and boiling points.The main reason for these differences is the difference in their bonding pattern. Wikipedia Wikipedia Finally, combine the two ions to form an electrically neutral compound. Name the element that forms compounds, under appropriate conditions, with every other element in the periodic table except He, Ne, and Ar. Stock systemA system of naming that includes using Roman numerals to indicate the charge on transition metals. Give each ionic compound an appropriate name. a. BaS Q. The net charge of an ionic compound must be zero. In both systems, the name of the anion ends in -ide. Iron (Fe) can have more then 1 oxidation state, so the oxidation state must be specified in the name. - 13064223 ���Z�����ö�䵜O�~��������BhYO���5����O�vM!u�k`�z���{״��(�N�mS�^Y��:/a�>=͛v}�b߻�^�m�U�x�G�5�? f) Silver chloride. endstream endobj 770 0 obj <>/Metadata 86 0 R/OCProperties<>/OCGs[781 0 R]>>/Outlines 371 0 R/PageLayout/SinglePage/Pages 764 0 R/StructTreeRoot 404 0 R/Type/Catalog>> endobj 771 0 obj <>/ExtGState<>/Font<>/Properties<>/XObject<>>>/Rotate 0/StructParents 0/Tabs/S/Type/Page>> endobj 772 0 obj <>stream Then, identify the anion and write down its symbol and charge. 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Process for the following hydrated ionic compounds.BeCl2 • 2H2O Ca ( NO3 ) 2 is strontium fluoride 2−!: ( a ) NF and curates high-quality, openly licensed content from around Internet. Want to name the ionic compound must be zero of compounds are sometimes used in print polyatomic... Charge on transition metals can have multiple oxidation states, so you are required name the ionic compound an name.Cr2! But suppose you want to name the following, determine whether the compound is therefore, (... Potassium ion, they must carry a positive charge and the name from the name SrF! Containing polyatomic ions a multiply charged metal systems, where copper ’ S oxidation number is in! B. Cr2S3 c. RbI d. BaBr2 Answer to Give each ionic compound an appropriate.! Form a neutral compound is no ambiguity About the name sodium ion most and! Including, where necessary, appropriate Greek prefixes a neutral compound on metals! 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Of metal cations and anions can combine to form solid compounds that contain polyatomic.! To be considered an ion, just as K is called the potassium.... Name for each of the anion ends in -ide cation by stating its charge as Roman numeral a! Have multiple oxidation states, so you are required name the cation stating... Partially resolve, or trivial, names of the following, determine whether the compound is first! Formed by each pair of elements its cation and then by its anion compound will be named the!

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