1. a. Classify each of the following as molecular, ionic or other. ; For example, for CO the name will be carbon monoxide, and the final o of mono is dropped. IDENTIFICATION AND USE: Bromine pentafluoride (BrF5) is a liquid with a sharp penetrating odor. The 'first name' is phosphorus. If the difference in electronegativities is smaller than 0.4, the bond will be nonpolar covalent. If the difference is greater, the bond will have an ionic character. CF2Cl2 CO2 KF HNCl2 MgSO4 Xe PF3 HOCl b. PCl5 is made up exclusively of nonmetallic atoms, and we can assume that they are joined together by covalent ⦠BrF5 is predominantly used as a fluorinating agent to produce fluorocarbons and as an oxidizer in rocket propellant systems. This means that the electrons will be taken from the less electronegative element, and spend all of their time orbiting the more electronegative element. The prefix mono is never used for naming the first element of a compound. But no compound is perfectly ionic or covalent. ; The final o or a of a prefix is often dropped when the element begins with a vowel. Unit 5 2 determining if a compound is ionic or covalent 1. Here both elements are ions (an anion which has a negative charge and a cation which has a positive charge). The name is diphosphorus pentoxide. It is an ionic compound. There are many exceptions. Show the Lewis structure of each substance you classified as molecular.For ionic compounds, write charges on the cation and anion. We give the numbers of each atom: di (=2) phosphorus penta (=5) oxide, which means: 2 phosphorus together with 5 oxygen The 'a' of 'penta' is omitted when it comes before 'o' as in 'oxide'. Binary compounds with oxygen in them have 'oxide' as a 'last name'. Even though each ion is really a molecule with a charge, oppositely charged polyatomic ions attract each other as ions do, making the compound an ionic salt. For BrF5, we have a total of 42 valence electrons. Metal chlorides, bromides, and iodides are converted to fluorides by treatment with BrF5. Purpose ⢠The type of bonding present in a substance greatly influences its properties. If they are both non-metals (such as carbon and oxygen) they will form a covalent ⦠Transcript: This is the BrF5 Lewis structure. Binary Ionic Compound. Bromine is the least electronegative, we'll put that in the center and then we'll put 5 Fluorines around the outside. We'll draw single bonds between the atoms for a total of 5 single bonds, so 10 valence electrons. Start studying Ionic vs. Covalent Compounds. c. Give the total number of electrons in each compound. As with most things, this is not an absolute rule. d. Rules for Binary Covalent Compounds . To decide if a binary compound has ionic or covalent bonding, first locate the two elements concerned in the Periodic Table and decide if they are metals (shown in blue) or non-metals (shown in pink). Learn vocabulary, terms, and more with flashcards, games, and other study tools. Remember, it's only the final o or a.So, the name of ClO 2 will be chlorine dioxide, and no vowels are dropped. Binary ionic compounds are salts which consist of only 2 elements. The coordination around the Cl atom is extended by two highly ionic, long fluorine bridges to neighboring fluoridometallate anions, resulting in a total coordination number of six. How to identify if a substance contains ionic or covalent bonds. Boron trifluoride has covalent bonds. The binary compound list is mentioned in the table below. 2. Substance contains ionic or covalent 1 for a total of 5 single bonds between atoms. 5 2 determining if a substance contains ionic or covalent bonds first element of a compound the o! The element begins with a vowel for naming the first element of a prefix often. Ionic compounds, write charges on the cation and anion metal chlorides, bromides, the... 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