Writing and Naming Inorganic Compounds Naming IUPAC is an agency that sets standards for naming chemicals. Don’t use “mono” for first name, but always for second name. The name is built from the elements and the construction of the molecule. Metal and non-metal 2 non-metals 3 or more elements polyatomic compound covalent compound ionic compound USE GREEK PREFIXES Put prefixes in front of element names to tell how many atoms are there. Find the longest continuous carbon chain. The slight difference between the names carbon monoxide (CO, a poisonous, deadly gas) and carbon dioxide (CO2, a greenhouse gas that we exhale when we breathe out) can be the difference between life and death! The following examples will demonstrate how this rule is applied in writing the formula of a compound: 1. When naming these compounds prefixes are used to denote how many of each atom is bonded in the compound. NO2 is nitrogen(IV) oxide and N2O4 is nitrogen(IV) oxide. Naming compounds by mba06ht - Teaching Resources - Tes #143710. If you are given a formula, is the first element hydrogen? Just as each distinct compound has a unique molecular structure which can be How Compounds are Named Chemists have a specific way of naming compounds. Compounds made entirely of non-metals are generally molecular compounds. (Naming Compounds and Writing Formulas ... #143707. Today you will find out why CO is named that way. When you began chemistry class this year, you probably already knew that the chemical formula for car- bon dioxide was CO . Naming Organic Compounds The increasingly large number of organic compounds identified with each passing day, together with the fact that many of these compounds are isomers of other compounds, requires that a systematic nomenclature system be developed. Second, look at the subscript of each element to determine which prefix to use. Think of compounds as having ‘+’ and ‘-’ atoms (even if they are not ionic). Determine the root name … Each type of compound has its own rules for naming it. written and name first, the name of the second element retains the –ide ending Latin prefix indicates the number of atoms of the element 1 mono 2 di 3 tri 4 tetra 5 penta 6 hexa 7 hepta 8 octa 9 nona 10 deca ex. MgF2 magnesium fluoride 4. Practice writing formulas from names and names from formulas using the examples below. Naming Ions. Preview and details Files included (3) ppt, 70 KB. why? First of all, decide if the compound is ionic, covalent-molecular or an acid. This can be paraphrased as: The algebraic sum of the oxidation numbers of the elements and polyatomic ions in a chemical compound is zero. Naming basic chemical compounds is essential if you want to succeed in chemistry, since the name of the compound clearly defines what it is. N2O3 dinitrogen trioxide 6. When naming compounds, you need to understand these different rules, as well as how to spot clues that will help you properly name the compounds. Naming chemical compounds correctly is of paramount importance. Using the same procedure as above, the complete IUPAC name for the compound would be: 3-bromo-4-hydroxy-2-pentanone 2. It is a standard method of naming compounds that is used by scientists around the world. Basic Naming Convention First we'll cover how to name molecules with two elements (binary compounds). Naming Compounds Handout Key - PDF #143706. For webquest or practice, print a copy of this quiz at the Chemistry: Naming Compounds webquest print page. H2O2, N2H4, NO, NO2, CO and PF5 Romans numerals can be used but often fail to distinguish between some molecular compounds. CHEMISTRY Naming Compounds Handout page 6 of 11 GIVEN THE CHEMICAL FORMULA, NAME THE COMPOUND WHEN THE METAL CATION FORMS ONLY ONE CHARGE: 1. Covalent compounds form individual molecules that are not connected to each other. The name of a monatomic cation is simply the name of the element followed by the word ion.Thus, Na + is the sodium ion, Al 3 + is the aluminum ion, Ca 2 + is the calcium ion, and so forth.. We have seen that some elements lose different numbers of electrons, producing ions of different charges (Figure 3.3). Compound The chemical formulas of many molecules however, cannot be determined by using valencies. Naming Covalent Compounds Dinitrogen trioxide Carbon tetrahydride Phosphorus pentoxide disulfur trifluoride N O 2 3 CH 4 PO 5 S F 2 3 index 33. If you are doing this sensibly, you will only be looking at one or two types of compounds at a time. Water Naming Molecular Compounds How are the chemical formula and name of a molecular compound related? Naming further compounds sheet 2. ppt, 71 KB. Naming chemical compounds correctly is of paramount importance. Naming Substituted Alkanes and Cycloalkanes—Group C Substituents Only 1. If both atoms are in the same group, the … Li 2S Metal and non-metal— ionic Ionic and Covalent Structure Ionic compounds form a crystalline lattice - a repeating pattern of ions. Rules for naming compounds. Organic compounds are defined by the presence of hydrogen-carbon structures. View compound names.pdf from SCIENCE 216 at Appleton West High School. The name of the more ‘+’ atom (the atom on the left side of the periodic table) is written first. Prefixes aren’t employed by compounds. Naming Ions. Naming Binary Compounds (compounds made of two different atoms): 1. Mixed Ionic Covalent Compound Naming Answer Key #143709. periodically reviews naming practice, attempting to standardise nomenclature. Naming complex organic compounds such as codeine or adenosine is difficult and will not be expected from high school or first year university students. N2O3 dinitrogen trioxide ex. If given the name, is the word acid in the name? In the complex ion, neutral ligands are written before anionic ligands, and the formula of the whole complex ion is placed in square brackets. If yes, it’s an ACID so follow the acid rules –b. •Acid Naming Rules •If the anion name ends in –IDE The acid name … Read more. Naming ionic compounds: Name the cation then the anion. Naming coordination compounds involves a set of rules which includes the oxidation number of the central ion and the chemical composition of the ligand, focusing on the anionic and cationic properties of the molecule. B. Naming Binary Compounds Name: _____ Identify the type of binary compound and then write the correct name for the chemical formulas listed below. If the compound is branched, the name is determined similar to that used for the alkanes. S2Cl2 disulfur dichloride 5. EXERCISE: Naming Coordination Compounds from … name for the compound would be: 2-bromo-3-methylbutanoic acid Compound B has an alcohol and a ketone in addition to the Br atom. Carbon tetrachloride, CCl 4, is an example of a molecular compound. III. KF potassium fluoride 2. If the metal is in Groups IA–IIA, aluminum, silver, cadmium, or zinc, then just name the metal cation and the anion: e.g. (If an element does not have a prefix, assume that the subscript is “1.” Third, apply the above naming scheme. eg. Examples: NaNO3 sodium nitrate Na2SO4 sodium sulfate CaCl2 calcium chloride K3PO4 potassium phosphate 3. 1. Example. 6.4 name the compound PCl5 phosphorus pentachloride In this activity you will learn the naming system for molecu- lar compounds. CHM 130LL:Formula Writing and Naming Key #143708. FORMULA WRITING AND NAMING OF COMPOUNDS Name: maggie lonsway 1. barium … Many compounds also have common names. Free. (Note: If the prefix of the first element would be “mono-”, it is not needed.)TIP! •1st –determine if the compound is an acid –a. The total charge of a compound is zero, the charge of the cation9s) should be balanced by the charge of anion(s) 3. Naming Ionic Compounds Worksheet Pogil Along with Worksheets 46 Inspirational Binary Ionic Pounds Worksheet Full Hd. CHEMISTRY Naming Compounds Handout Key page 2 of 4 p. 5 Combine each pair of ions to get the formula of the compound they form: Cu+ O–2 Sn+4 SO 4 –2 K+ P–3 Cu 2O Sn(SO 4) 2 K 3P Li+ CO 3 –2 Fe+3 S–2 Ni+2 PO 4 –3 Li 2CO 3 Fe 2S 3 Ni 3(PO 4) 2 p. 6 Combine each pair of ions to get the chemical formula, then name the compound: About this quiz: All the questions on this quiz are based on information that can be found at Chemistry: Naming Compounds. Note that the double bond takes precedence in naming. SnF4 tin (IV) fluoride 8. FeF3 iron (III) fluoride 7. Naming Compounds Flowchart 2 elements Covalent Binary Acid YES H + Element Hydro + root anion + -ic acid H + Polyatomic ionMetal / Nonmetal •Poly ion ending in –ate Root anion + -ic acid •Poly ion ending in –ite Root anion + -ous acid Root anion = 1st part of polyatomic ion name or element Organic compounds containing substituents from Group C are named following this sequence of steps, as indicated on the examples below: •Step 1. Naming and Writing Formulas for Acids! NaCl → Na+ → sodium and Cl− → chloride → NaCl = sodium chloride for naming organic compounds - some have had limit scope or become embedded in common us age and some have persisted over time The International Union of Pure and Applied Chemistry (I.U.P.A.C.) 1 Naming Compounds Tutorial and Worksheet Since we use different methods in naming binary covalent (molecular) compounds and ionic compounds, the first step in naming or writing the formula of a compound is to determine which of the 2 compound classes it belongs.This Terms. The Name Says It All! Back to Science for Kids Another system of naming is needed. According to the priority listing of functional groups, the ketone is more important than the alcohol. eg. Naming simple compounds sheet 1. ppt, 2 MB. Some of the worksheets below are Naming Compounds Worksheets : Covalent Compound Names and Formulas, Ionic & Covalent Compound Naming, Formulas and nomenclature of ionic and covalent compounds, Covalent Compounds Worksheet : Questions like Based of the properties of the following materials, determine whether they are made of primarily ionic compounds of covalent compounds… The name starts with the title of the very first component carbon that’s specific. Naming Compounds What’s it Made of? polyatomicOf a molecule or ion consisting of three or more atoms. in charge to the total oxidation number of the second, or negative, part of the compound. I have written the questions so that you can just answer those you … The following guidelines for organic nomenclature are based on the def Powerpoint explaining how to name simple compounds and further compounds with worksheets to go with it. CH 3-CH-CH=CH-CH3 CH3 This compound is named 4-methyl-2-pentene. NAMING ORGANIC COMPOUNDS: 1 Important: These questions cover all the compounds on this page. Steps to Naming Covalent Compounds. Each of these three has its own rules that cannot be mixed and matched. Loading... Save for later. First, identify the elements present. A molecular compound is a group of atoms held together by a covalent bond. Naming Aromatic Compounds Aromatic Compounds are cyclic hydrocarbons containing a benzene structure. Naming simple compounds. The name of a monatomic cation is simply the name of the element followed by the word ion.Thus, Na + is the sodium ion, Al 3 + is the aluminum ion, Ca 2 + is the calcium ion, and so forth.. We have seen that some elements lose different numbers of electrons, producing ions of different charges (Figure 3.3). While hydrocarbons often refer to burnable compounds, the words mean pretty much the same thing. PbO2 lead (IV) oxide 3. Mixed ionic Covalent compound naming answer Key # 143709 back to Science for Kids explaining! 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