PPT-Unit 6: Writing and Naming Chemical Formulas

Chemistry I 20132014 Ions amp The Octet Rule Vocabulary Ion an atom or bonded group of atoms with a positive or negative charge Anion a negatively charged ion Cation a positively charged ion. Ch. . 16. Covalent Compounds. Covalent bonds. form when atoms share . their valence electrons. .. Covalent compounds. are formed from 2 or more nonmetals.. Rules for Naming Covalent Compounds. 1. Prefixes are used to show how many atoms of each element are present in the compound . Formulas. Chemical Formulas represent compounds.. Oxidation Numbers are used to determine the ratio in which elements combine to form compounds.. Understanding Chemical. Formulas. Chemical formulas are composed of a . CHEMICAL NOMENCLATURE. Writing Formulas. Binary ionic compounds. Ternary ionic compounds. Binary molecular compounds. Acids. Ionic Compounds. Composed of oppositely charged ions. Positive ion is a . cation. SECOND EDITION. Unit 1: ALCHEMY. Matter, Atomic Structure, and Bonding. Lesson 21: Salty Eights. Formulas for Ionic Compounds. ChemCatalyst. Find these cards in . Your Salty Eights . card deck.. 1. List the ionic compounds you can make with pairs of cards, using two different elements.. Multivalent & Polyatomic Ions. Multivalent Metals. Multi = multiple. Valent. = charge. Metal = specifically transition metals. . List all of the possible . valencies. for the following metals:. Copyright © by Holt, Rinehart and Winston. All rights reserved.. Objectives. Name . simple ionic . compounds. .. Predict . the charge of a transition metal . cation. in an ionic compound.. Write . chemical formulas for simple ionic compounds.. Covalent Compounds. Formed between two non-metals. Valence electrons are shared between atoms. Binary Covalent Compounds. Contain just two different types of non-metal elements. Some Different Rules. Recognize that chemical formulas are used to identify substances and determine the number of atoms of each element in chemical formulas containing subscripts.. Recognize whether a chemical equation containing coefficients is balanced or not and how that relates to the law of conservation of mass.. Jennie L. Borders. Periodic Table for Naming. Section 9.1 Regular Metals Review. The . regular. metals include Group . 1. (except H) and . 2. and . aluminum. .. When . naming. a compound that starts with a regular metal, . Chapter 5: Molecules and Compounds. Learning Goals. Write . chemical formulas.. Determine . the total number of each type of atom in a chemical formula.. Classify . elements as atomic or molecular.. Classify . I. onic compounds form between a metal and a nonmetal.. The metal forms a . cation. (+ ion) and the nonmetal forms an anion (-ion).. The . cation. is always named first and is the element name.. The anion is always named second – the root of the element name with an –ide ending.. General definitions. Mole. Homogeneous mixture. Heterogeneous mixture. Pure Substances. Compounds . Chemical Change . Chemical Property. Physical Change . Physical Property. Solid . Liquid . Gas. Evaporation. I. Percent Composition. Think about this:. How would you find the percent of boys in our class?. # of boys (part)____. x 100% . Total # of students (whole). I. Percent Composition. . 3-. 2. Questions for Consideration. How do ionic compounds differ from molecular compounds?. What kinds of ions are in ionic compounds?. What do formulas for ionic compounds represent?. How are ionic compounds named?.